Add missing project files

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,27 @@
+# Dependencies
+node_modules/
+.pnpm-store/
+
+# Build outputs
+.next/
+out/
+dist/
+build/
+
+# Environment
+.env
+.env.local
+.env*.local
+
+# IDE
+.idea/
+.vscode/
+*.swp
+*.swo
+
+# OS
+.DS_Store
+Thumbs.db
+
+# Claude Code local instructions (symlink)
+CLAUDE.md