use submodule

excalidraw/.gitignore

@@ -0,0 +1,29 @@
+.DS_Store
+.env.development.local
+.env.local
+.env.production.local
+.env.test.local
+.envrc
+.eslintcache
+.history
+.idea
+.vercel
+.vscode
+.yarn
+*.log
+*.tgz
+build
+dist
+firebase
+logs
+node_modules
+npm-debug.log*
+package-lock.json
+yarn-debug.log*
+yarn-error.log*
+packages/excalidraw/types
+coverage
+dev-dist
+html
+meta*.json
+.claude