feat(discord): add dynamic slash commands

[ReenigneArcher]

Description

• Add dynamic slash commands from LizardByte/support-bot-commands
• Add git to docker image
• Update docker image to python:3.11-slim-bookworm
• Add gitattributes file for handling line endings on dockerfiles

Todo:

• allow git repo to be customized
• allow git branch to be customized
• reload this cog on a schedule

Screenshot

Issues Fixed or Closed

Type of Change

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• Dependency update (updates to dependencies)
• Documentation update (changes to documentation)
• Repository update (changes to repository files, e.g. .github/...)

Checklist

• My code follows the style guidelines of this project
• I have performed a self-review of my own code
• I have commented my code, particularly in hard-to-understand areas
• I have added or updated the in code docstring/documentation-blocks for new or existing methods/components

Branch Updates

LizardByte requires that branches be up-to-date before merging. This means that after any PR is merged, this branch
must be updated before it can be merged. You must also
Allow edits from maintainers.

• I want maintainers to keep my branch updated

[codecov]

Codecov Report

Attention: Patch coverage is 87.01299% with 10 lines in your changes are missing coverage. Please review.

Project coverage is 37.86%. Comparing base (a19e9a6) to head (eed370e).

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #277      +/-   ##
==========================================
+ Coverage   33.63%   37.86%   +4.23%     
==========================================
  Files          15       15              
  Lines         785      853      +68     
==========================================
+ Hits          264      323      +59     
- Misses        521      530       +9     

Files	Coverage Δ
src/reddit/bot.py	54.01% <100.00%> (-1.24%)	⬇️
src/common.py	95.83% <87.50%> (-4.17%)	⬇️
src/discord/cogs/support_commands.py	83.13% <86.76%> (+12.54%)	⬆️