feat(azure): Azure module (#3275)

* Azure module

* make Semantic PR bot happy

* Responding to review

* Changing severity of logging event

docs/config/README.md

@@ -240,6 +240,7 @@ $memory_usage\
 $aws\
 $gcloud\
 $openstack\
+$azure\
 $env_var\
 $crystal\
 $custom\
@@ -344,6 +345,31 @@ style = "bold blue"
 symbol = "🅰 "
 ```
 
+## Azure
+
+The `azure` module shows the current Azure Subscription. This is based on showing the name of the default subscription, as defined in the `~/.azure/azureProfile.json` file.
+
+### Options
+
+| Variable          | Default                                  | Description                                |
+| ----------------- | ---------------------------------------- | ------------------------------------------ |
+| `format`          | `"on [$symbol($subscription)]($style) "` | The format for the Azure module to render. |
+| `symbol`          | `"ﴃ "`                                   | The symbol used in the format.             |
+| `style`           | `"blue bold"`                            | The style used in the format.              |
+| `disabled`        | `true`                                  | Disables the `azure` module.               |
+
+### Example
+
+```toml
+# ~/.config/starship.toml
+
+[azure]
+disabled = false
+format = "on [$symbol($subscription)]($style) "
+symbol = "ﴃ "
+style = "blue bold"
+```
+
 ## Battery
 
 The `battery` module shows how charged the device's battery is and its current charging status.