[Base][m]: Set up component library base and build scripts

packages/portal/.gitignore

@@ -0,0 +1,33 @@
+# dependencies
+node_modules/
+.pnp
+.pnp.js
+
+# testing
+coverage
+cypress/videos
+
+# next.js
+.next/
+/out/
+
+# production
+/build
+
+# misc
+.DS_Store
+
+# debug
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+# local env files
+.env
+.env.local
+.env.development.local
+.env.test.local
+.env.production.local
+
+# output
+dist/