QoL for Teams Sessions, FFA Sessions, and Servers

[EraOSBeta]

My Tasks

• [x] Write a good description of what your PR does (and WHY it does it).
• [x] Ensure make preflight completes successfully.
• [x] Add temp to CONTRIBUTORS

Eric's Tasks

• [ ] Add the new Lstrs to the game's translations
• [ ] Add a CHANGELOG entry
• [ ] Lock the series length UI behind BombSquad Pro if that's the direction you want to go, make your decision BEFORE merging the PR

Description

This PR:

• implements a simple override for bascenev1.Session.max_players on servers' config files that allows them to either:
  • let the session decide the max player count
  • override the max player count with their own preferred count
  • remove the max player count limit entirely
• adds UI for customizing the Series-Length of teams sessions and the Points-to-Win of FFA sessions (Idea originally by @3alTemp

Type of Changes

	Type
✓	:sparkles: New feature

Testing

You can try out this PR on Windows, Mac, and Linux by downloading a build from here. Note that these builds have issues with loading some text (Lstrs)

Preview

[efroemling]

Can you resolve the changlog conflicts? Then I'd be happy to pull this in.

[EraOSBeta]

Can you resolve the changlog conflicts? Then I'd be happy to pull this in.

Done :+1:

[efroemling]

Thanks for this and sorry for the slowness pulling it in. Will add the LStrs and consider whether to require pro for it..

[efroemling]

Ok I added lang entries and changelog notes. I'm not going to add a pro requirement. Holler if there's anything I forgot to do on my end, and thanks again!