Added matchmaking feature

[acoudray]

Briefly describe what changes this PR introduces

This PR introduces a basic matchmaking system. You are now able to queue solo or with your party, and join a server given the gamemode chosen, and server availability.

Link to all issues that this PR solves

N/A.

Relevant pictures/videos of the PR (optional)

https://cdn.discordapp.com/attachments/1100172298272649277/1108720420544315532/Code_NtQQYY8Z63.mp4

Checklist

• [ ] This change introduces new dependencies and I have included updated pyproject.toml and poetry.lock files.
• [ ] This change requires database migrations and I have included an alembic migration.

[itzandroidtab]

@acoudray Could you add docstring to all of the functions?

[han274026894]

Can you get your contact details for some technical questions?