docs: update docs

src/en/guide/concepts/database/SQL/1-database-basic.md

@@ -1,6 +1,10 @@
 ---
 order: 1
 title: "Basic"
+head:
+  - - meta
+    - name: keywords
+      content: database, SQL, basic, relational database, non-relational database, relationship key, primary key, super key, candidate key, foreign key
 ---
 
 ## Relationship Keys

src/en/guide/concepts/database/SQL/2-database-query.md

@@ -1,6 +1,10 @@
 ---
 order: 2
 title: Query
+head:
+  - - meta
+    - name: keywords
+      content: SQL, SELECT, ORDER BY, LIMIT, WHERE
 ---
 
 

src/en/guide/concepts/database/SQL/3-database-index.md

@@ -1,6 +1,10 @@
 ---
 order: 3
 title: Index
+head:
+  - - meta
+    - name: keywords
+      content: database, SQL, index, advantages, disadvantages
 ---
 
 ::: info 

src/en/guide/concepts/database/SQL/4-database-transaction.md

@@ -1,6 +1,10 @@
 ---
 order: 4
 title: Transaction
+head:
+  - - meta
+    - name: keywords
+      content: transaction, database transaction, transaction isolation level, transaction properties
 ---
 
 ## Isolation Levels

src/en/guide/concepts/golang/1-keywords.md

@@ -1,6 +1,10 @@
 ---
 order: 1
 title: 'Keywords'
+head:
+  - - meta
+    - name: keywords
+      content: golang, reserved keywords, const, func, import, package, type, var, chan, interface, map, struct, break, case, continue, default, else, fallthrough, for, goto, if, range, return, select, switch, defer
 ---
 
 ## Keywords

src/en/guide/concepts/golang/2-datatype.md

@@ -1,6 +1,10 @@
 ---
 order: 2
 title: 'Data Type'
+head:
+  - - meta
+    - name: keywords
+      content: data type, golang, integer, float, complex, boolean, string, array, slice, map, channel, struct, interface, function
 ---
 
 ## Integers (int)

src/en/guide/concepts/golang/3-operator.md

@@ -1,6 +1,10 @@
 ---
 order: 3
 title: 'Operators'
+head:
+  - - meta
+    - name: keywords
+      content: operators, golang, arithmetic operators, relational operators, logical operators, bitwise operators, assignment operators, other operators
 ---
 
 ## Arithmetic Operators

src/en/guide/concepts/golang/4-errorhandling.md

@@ -1,6 +1,10 @@
 ---
 order: 4
 title: 'Error Handling'
+head:
+  - - meta
+    - name: keywords
+      content: error handling, golang, error
 ---
 
 ## Interface

src/en/guide/concepts/golang/5-map.md

@@ -1,6 +1,10 @@
 ---
 order: 5
 title: "Map"
+head:
+  - - meta
+    - name: keywords
+      content: golang, map, collection, create map, traverse map, delete map
 ---
 
 ## Creating a Map

src/en/guide/concepts/golang/6-slice.md

@@ -1,6 +1,10 @@
 ---
 order: 6
 title: "Slices"
+head:
+  - - meta
+    - name: keywords
+      content:  golang, slice, create slice, slice slicing, length and capacity
 ---
 
 ## Creating Slices

src/en/guide/concepts/golang/7-channel.md

@@ -1,6 +1,10 @@
 ---
 order: 7
 title: "Channel"
+head:
+  - - meta
+    - name: keywords
+      content: channel, golang, goroutine, concurrency, create channel, send data, receive data, close channel
 ---
 
 ## Introduction

src/en/guide/concepts/golang/8-context.md

@@ -1,6 +1,10 @@
 ---
 order: 8
 title: "Context"
+head:
+  - - meta
+    - name: keywords
+      content: golang context, context interface, context management, context timeout, context termination
 ---
 
 ## Introduction

src/en/guide/concepts/network/1-network.md

@@ -1,6 +1,10 @@
 ---
 order: 1
 title: "Basic"
+head:
+  - - meta
+    - name: keywords
+      content: network, OSI, TCP/IP, IP, TCP, UDP, HTTP, HTTPS
 ---
 
 ### OSI Seven-Layer Model

src/en/guide/concepts/network/2-ip.md

@@ -1,6 +1,10 @@
 ---
 order: 2
 title: "IP"
+head:
+  - - meta
+    - name: keywords
+      content: IP, Internet Protocol, TCP/IP, IPv4, IPv6, Header
 ---
 
 ## IP

src/en/guide/concepts/network/3-tcp-udp.md

@@ -1,6 +1,10 @@
 ---
 order: 3
 title: "TCP/UDP"
+head:
+  - - meta
+    - name: keywords
+      content: tcp, udp, network, transmission control protocol, user datagram protocol
 ---
 ### TCP
 

src/en/guide/concepts/network/4-dns.md

@@ -1,6 +1,10 @@
 ---
 order: 4
 title: DNS
+head:
+  - - meta
+    - name: keywords
+      content: DNS, Domain Name System, DNS resolution, DNS cache, DNS server, DNS record, DNS query, DNS zone, DNSSEC, DNS attack
 ---
 
 ## Introduction

src/en/guide/concepts/network/5-arp.md

@@ -1,6 +1,10 @@
 ---
 order: 5
 title: ARP
+head:
+  - - meta
+    - name: keywords
+      content: ARP, Network Protocol, MAC Address, IP Address, ARP Attack, ARP Spoofing
 ---
 
 ## Introduction

src/en/guide/concepts/network/6-nat.md

@@ -1,6 +1,10 @@
 ---
 order: 6
 title: NAT
+head:
+  - - meta
+    - name: keywords
+      content: NAT, Network Address Translation
 ---
 
 Translate to English:

src/en/guide/devtools/Docker/1-docker.md

@@ -2,6 +2,10 @@
 order: 1
 title: Docker
 icon: mdi:docker
+head:
+  - - meta
+    - name: keywords
+      content: docker, container, image, dockerfile, docker-compose
 ---
 
 ## Introduction to Docker

src/en/guide/devtools/Git/1-git.md

@@ -2,6 +2,10 @@
 order: 1
 title: Git
 icon: bx:bx-git-branch
+head:
+  - - meta
+    - name: keywords
+      content: git, git command, git common command, git basic, submit code
 ---
 
 ::: tip

src/en/guide/devtools/IDE/1-goland.md

@@ -2,6 +2,10 @@
 order: 1
 title: Goland
 icon: devicon-plain:goland
+head:
+  - - meta
+    - name: keywords
+      content: goland, ide, vscode, jetbrains
 ---
 
 ## Goland

src/en/guide/devtools/IDE/2-vscode.md

@@ -2,6 +2,10 @@
 order: 2
 title: VsCode
 icon: akar-icons:vscode-fill
+head:
+  - - meta
+    - name: keywords
+      content: VsCode, Go, Plugin
 ---
 
 ## VsCode

src/en/guide/interview/golang/basic/1-basic.md

@@ -1,6 +1,10 @@
 ---
 order: 1
 title: "Basic"
+head:
+  - - meta
+    - name: keywords
+      content: golang, basic, data types, variables, constants, pointers, interview questions, interview
 ---
 
 ## Pointer

src/en/guide/interview/golang/basic/2-medium.md

@@ -1,6 +1,10 @@
 ---
 order: 2
 title: "Medium"
+head:
+  - - meta
+    - name: keywords
+      content: golang, medium, interview, interview questions
 ---
 
 ### Have you used `context`? What are the use cases for `context`?

src/en/guide/library/ORM/1-ent.md

@@ -2,6 +2,10 @@
 order: 1
 title: Ent
 icon: material-symbols:database-outline
+head:
+  - - meta
+    - name: keywords
+      content: ent, go, orm, database, graph, schema, code generation
 ---
 
 ## Introduction to Ent

src/en/guide/library/ORM/2-gorm.md

@@ -2,6 +2,10 @@
 order: 2
 title: GORM
 icon: material-symbols:database-outline
+head:
+  - - meta
+    - name: keywords
+      content: golang, orm, gorm, database, sql
 ---
 
 ## Introduction to GORM

src/en/guide/standard/1-golang.md

@@ -1,6 +1,10 @@
 ---
 order: 1
 title: Golang Dev Specifications
+head:
+  - - meta
+    - name: keywords
+      content: golang, development, specifications
 ---
 
 

src/guide/concepts/database/SQL/1-database-basic.md

@@ -1,6 +1,10 @@
 ---
 order: 1
 title: "基础"
+head:
+  - - meta
+    - name: keywords
+      content: 数据库, SQL, 基础, 关系型数据库, 非关系型数据库, 关系键, 主键, 超键, 候选键, 外键
 ---
 
 ## 关系键

src/guide/concepts/database/SQL/2-database-query.md

@@ -1,6 +1,10 @@
 ---
 order: 2
 title: 查询
+head:
+  - - meta
+    - name: keywords
+      content: SQL, 查询, SELECT, ORDER, LIMIT, WHERE
 ---
 
 ## SELECT 选择

src/guide/concepts/database/SQL/3-database-index.md

@@ -1,6 +1,10 @@
 ---
 order: 3
 title: 索引
+head:
+  - - meta
+    - name: keywords
+      content: 索引, 数据库索引, 索引类型, 索引优缺点
 ---
 
 ::: info 

src/guide/concepts/database/SQL/4-database-transaction.md

@@ -1,6 +1,10 @@
 ---
 order: 4
 title: 事务
+head:
+  - - meta
+    - name: keywords
+      content: 事务, 数据库事务, 事务隔离级别, 事务特性
 ---
 
 ## 隔离级别

src/guide/concepts/golang/1-keywords.md

@@ -1,6 +1,10 @@
 ---
 order: 1
 title: '保留关键字'
+head:
+  - - meta
+    - name: keywords
+      content: golang,保留关键字,const,func,import,package,type,var,chan,interface,map,struct,break,case,continue,default,else,fallthrough,for,goto,if,range,return,select,switch,defer
 ---
 
 ## 保留关键字

src/guide/concepts/golang/2-datatype.md

@@ -1,6 +1,10 @@
 ---
 order: 2
 title: '数据类型'
+head:
+  - - meta
+    - name: keywords
+      content: 数据类型, golang, 整数, 浮点数, 复数, 布尔, 字符串, 数组, 切片, 映射, 通道, 结构体, 接口, 函数
 ---
 
 ## 整数 (int)

src/guide/concepts/golang/3-operator.md

@@ -1,6 +1,10 @@
 ---
 order: 3
 title: '运算符'
+head:
+  - - meta
+    - name: keywords
+      content: 运算符, golang, 算术运算符, 关系运算符, 逻辑运算符, 位运算符, 赋值运算符, 其他运算符
 ---
 
 

src/guide/concepts/golang/4-errorhandling.md

@@ -1,6 +1,10 @@
 ---
 order: 4
 title: '错误处理'
+head:
+  - - meta
+    - name: keywords
+      content: 错误处理, golang, error
 ---
 
 ## 接口

src/guide/concepts/golang/5-map.md

@@ -1,6 +1,10 @@
 ---
 order: 5
 title: "Map (集合)"
+head:
+  - - meta
+    - name: keywords
+      content: golang, map, 集合, 创建map, 遍历map, 删除map
 ---
 
 ## 创建 Map