chore: update package info for raft-engine-ctl (#204)

Signed-off-by: tabokie <xy.tao@outlook.com>

README.md

@@ -8,7 +8,7 @@ Raft Engine is a persistent embedded storage engine with a log-structured design
 ## Features
 
 - APIs for storing and retrieving [protobuf](https://crates.io/crates/protobuf) log entries with consecutive indexes
-- Key-value storage for individual Raft Group
+- Key-value storage for individual Raft Groups
 - Minimum write amplification
 - Collaborative garbage collection
 - Supports [lz4](http://www.lz4.org/) compression over log entries
@@ -59,7 +59,7 @@ Available Cargo features:
 
 - `scripting`: Compiles with [Rhai](https://github.com/rhaiscript/rhai). This enables script debugging utilities including `unsafe_repair`.
 - `nightly`: Enables nightly-only features including `test`.
-- `internals`: Re-exports key componenets internal to Raft Engine. Enabled when building for docs.rs.
+- `internals`: Re-exports key components internal to Raft Engine. Enabled when building for docs.rs.
 - `failpoints`: Enables fail point testing powered by [tikv/fail-rs](https://github.com/tikv/fail-rs).
 
 See some basic use cases under the [examples](https://github.com/tikv/raft-engine/tree/master/examples) directory.

ctl/Cargo.toml

@@ -4,6 +4,8 @@ version = "0.1.0"
 authors = ["The TiKV Project Developers"]
 edition = "2018"
 rust-version = "1.56"
+description = "A control tool for Raft Engine"
+repository = "https://github.com/tikv/raft-engine"
 license = "Apache-2.0"
 
 [dependencies]