Custom server with basic functionality

[Gskartwii]

Checklist:

• [x] Studio connects
• [x] Loads basic places
• [x] JoinData works
• [x] Auto-replication works
• [x] GUI buttons update correctly
• [x] GUI Stop button works without crashing
• [x] GUI DataModel browser works for all captures
• [x] Test anti-circular replication
• [x] Test multi-client replication
• [x] Provide basic camera scripts for Studio
• [wontfix] Provide pre-compiled camera scripts for RobloxPlayer (?)
• [wontfix] Support Roblox player?

Pre-compiled camera may pose technical considerations which are not immediately apparent. I will not release a public script compiler in the foreseeable future, with nor without source.