fix(docs): exclude generated build from typecheck

apps/docs/tsconfig.json

@@ -20,5 +20,5 @@
     }
   },
   "include": ["**/*.ts", "**/*.jsx", "**/*.js", "**/*.tsx", "**/*.md", "**/*.mdx"],
-  "exclude": ["node_modules"]
+  "exclude": ["build", "node_modules"]
 }