fix: docs tsconfig

Author: righ

packages/docs/tsconfig.json

@@ -20,7 +20,8 @@
       "@gridsheet/core/*": ["../core/src/*"],
       "@gridsheet/react-core": ["../react-core/src"],
       "@gridsheet/react-core/*": ["../react-core/src/*"],
-      "@gridsheet/react-dev": ["../react-dev/src"]
+      "@gridsheet/react-dev": ["../react-dev/src"],
+      "@gridsheet/functions": ["../functions/src"]
     }
   },
   "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],