Update gitignore configuration

Author: Gerome-Elassaad

.gitignore

@@ -10,22 +10,18 @@
 /coverage
 
 # demo files (temporary for testing)
-/app/demo
-/components/demo-enhanced-interpreter.tsx
 .env.local
 
 # next.js
 /.next/
 /out/
 
-.claude
-
-claude.md
-
 .env
 
 .mcp.json 
 
+.temp
+
 # production
 /build
 
@@ -54,4 +50,7 @@ next-env.d.ts
 
 scripts
 .vscode
-mcp.json
+mcp.json
+
+CLAUDE.md
+.claude