feat: basic auth for all api endpoints

[DarkAtra]

Description

Allows users to secure all endpoints on the API port using Basic Auth. See also: DarkAtra/v-rising-discord-bot#105.

Warning

Enabling basic auth will secure all endpoints on the API port, including the default ones from Stunlock and endpoints that other plugins might've added.

How to use it

After installing the bot companion and starting the v rising server once, you should find a file v-rising-discord-bot-companion.cfg in BepInEx\config with the following content:

## Settings file was created by plugin v-rising-discord-bot-companion v0.4.1
## Plugin GUID: v-rising-discord-bot-companion

[Authentication]

## A list of comma separated username:password entries that are allowed to query the HTTP API.
# Setting type: String
# Default value: 
BasicAuthUsers = 

To enable basic auth for all api endpoints (including the default endpoints, such as /metrics) just put the desired username and password after BasicAuthUsers = . For example, the following config would configure a user myuser with 1234 as its password:

## Settings file was created by plugin v-rising-discord-bot-companion v0.4.1
## Plugin GUID: v-rising-discord-bot-companion

[Authentication]

## A list of comma separated username:password entries that are allowed to query the HTTP API.
# Setting type: String
# Default value: 
BasicAuthUsers = myuser:1234

You can also add more than one user like this:

## Settings file was created by plugin v-rising-discord-bot-companion v0.4.1
## Plugin GUID: v-rising-discord-bot-companion

[Authentication]

## A list of comma separated username:password entries that are allowed to query the HTTP API.
# Setting type: String
# Default value: 
BasicAuthUsers = myuser:1234,seconduser:somepassword

[github-actions]

🎉 This PR is included in version 0.6.0 🎉

The release is available on:

• v0.6.0
• GitHub release

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