snapshots + versioning + y/prosemirror demo

[nperez0111]

Early demo

https://github.com/user-attachments/assets/9b07846e-f6ef-40c8-8741-4a9073f02a29

• Added local storage versioning demo
• feat: implement snapshot restoration
• Misc fixes
• Fixed issues with versioning
• Added comments to demo and overhauled UI/UX
• Added suggestions editing
• Minor changes
• Fixed thread style
• Ran pnpm gen
• feat: preliminary support for yjs@14
• chore: use lib0 for base64
• fix: remove dispatchTransaction override
• fix: better error handling
• chore: rm comment
• feat: versioning with the new @y/prosemirror binding
• feat: versioning + suggesting in y/prosemirror