Add Idea Forge to open source projects

Added Idea Forge, a collaborative document platform combining Notion-like functionality with AI capabilities, built with Tiptap editor for rich text editing.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <[email protected]>

Author: chenxiaoyao6228

README.md

@@ -85,8 +85,9 @@ A headless, framework-agnostic and extendable rich text editor, based on [ProseM
 - [fylepad - a notepad with powerful rich-text editing based on Nuxt3 and Tiptap.](https://github.com/imrofayel/fylepad) by [@imrofayel](https://github.com/imrofayel/)
 - [Maily](https://maily.to/) by [@arikchakma](https://github.com/arikchakma)
 - [Tiptap editor template](https://github.com/phyohtetarkar/tiptap-block-editor) by [@phyohtetarkar](https://github.com/phyohtetarkar)
+- [Idea Forge - Collaborative document platform with Notion-like functionality and AI capabilities](https://github.com/chenxiaoyao6228/idea-forge) by [@chenxiaoyao6228](https://github.com/chenxiaoyao6228)
 
-## Who’s using Tiptap?
+## Who's using Tiptap?
 - [Gamma](https://gamma.app/#recent)
 - [mymind](https://mymind.com)
 - [DocIQ](https://www.dociq.io)