Comprehensive documentation improvements

docs/docs/administration/backup-restore.md

@@ -0,0 +1,3 @@
+# Backup & Restore
+
+<!-- TODO -->

docs/docs/configuration/env-variables.md → docs/docs/administration/configuration.md

@@ -1,4 +1,4 @@
-# Environment Variables
+# Configuring Mathesar with environment variables
 
 This page contains all available environment variables supported by Mathesar. See the specific installation guides for the applicable environment variables and instructions on how to set them.
 
@@ -51,7 +51,7 @@ This page contains all available environment variables supported by Mathesar. Se
 ## Caddy reverse proxy configuration {: #caddy}
 
 !!!note
-    These variables are only needed if you're using the Caddy configuration in our [default Docker Compose](../../installation/docker-compose/#steps) file.
+    These variables are only needed if you're using the Caddy configuration in our [default Docker Compose](install-via-docker-compose.md#steps) file.
 
 ### `DOMAIN_NAME`
 

docs/docs/installation/build-from-source/index.md → docs/docs/administration/install-from-scratch.md

@@ -1,7 +1,4 @@
-# Install Mathesar from source on Linux
-
-!!! danger "Not a stable release"
-    This is a testing build released with the goal of gathering feedback from our community. It has **[many known issues](https://github.com/mathesar-foundation/mathesar/issues?q=is%3Aissue+milestone%3Av0.2.0-testing.2+)** and is not recommended for production use.
+# Install Mathesar From Scratch on Linux
 
 !!! warning "For experienced Linux sysadmins"
     To follow this guide you need be experienced with Linux server administration, including the command line interface and some common utilities.
@@ -176,7 +173,7 @@ Then press <kbd>Enter</kbd> to customize this guide with your domain name.
         touch .env
         ```
 
-    1. Edit your `.env` file, adding [environment variables](../../configuration/env-variables.md) to configure Mathesar.
+    1. Edit your `.env` file, adding [environment variables](./configuration.md) to configure Mathesar.
 
         !!! example
             Your `.env` file should look something like this
@@ -193,7 +190,7 @@ Then press <kbd>Enter</kbd> to customize this guide with your domain name.
             ```
 
         !!! tip
-            To generate a [`SECRET_KEY`](../../configuration/env-variables.md#secret_key) you can use this [browser-based generator](https://djecrety.ir/) or run this command on MacOS or Linux:
+            To generate a [`SECRET_KEY`](./configuration.md#secret_key) you can use this [browser-based generator](https://djecrety.ir/) or run this command on MacOS or Linux:
 
             ```
             echo $(cat /dev/urandom | LC_CTYPE=C tr -dc 'a-zA-Z0-9' | head -c 50)

docs/docs/installation/docker-compose/index.md → docs/docs/administration/install-via-docker-compose.md

@@ -1,8 +1,5 @@
 # Install Mathesar via Docker Compose
 
-!!! danger "Not a stable release"
-    This is a testing build released with the goal of gathering feedback from our community. It has **[many known issues](https://github.com/mathesar-foundation/mathesar/issues?q=is%3Aissue+milestone%3Av0.2.0-testing.2+)** and is not recommended for production use.
-
 ## Prerequisites
 
 {% include 'snippets/docker-compose-prerequisites.md' %}
@@ -119,4 +116,4 @@ If you'd like to use an external PostgreSQL server for Mathesar's internal datab
     psql -c 'create database mathesar_django;'
     ```
 
-1. Configure the [internal database environment variables](../../configuration/env-variables.md#db) to point to the database you just created. Ensure that you change the default values for the user, password, and host.
+1. Configure the [internal database environment variables](./configuration.md#db) to point to the database you just created. Ensure that you change the default values for the user, password, and host.