Adapt to server/client structure

[ktminks]

Description

Refactor current project into a server/client structure. Ensure all previous features still function as intended.

Tasks

• [x] Refactor into server/client structure
• [x] Integrate API runtime into server
• [ ] Integrate diagnostic feedback from API into new structure
• [ ] Tailor language server to rulebook language specification

Resources

• LSP Sample
• Language server extension guide
• Programmatic language features