Bump version to 1.1.0

- Update changelog with all new features since 1.0.7
- Add Inline Diff Viewer section to README
- Update package.json version

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

Co-Authored-By: Claude <noreply@anthropic.com>

package.json

@@ -2,7 +2,7 @@
   "name": "claude-code-chat",
   "displayName": "Chat for Claude Code",
   "description": "Beautiful Claude Code Chat Interface for VS Code",
-  "version": "1.0.7",
+  "version": "1.1.0",
   "publisher": "AndrePimenta",
   "author": "Andre Pimenta",
   "repository": {