finally fix slow typescript compilation!

see https://github.com/stitchesjs/stitches/issues/1038

tsconfig.json

@@ -4,7 +4,7 @@
     "lib": ["dom", "dom.iterable", "esnext"],
     "allowJs": true,
     "skipLibCheck": true,
-    "strict": false,
+    "strict": true,
     "forceConsistentCasingInFileNames": true,
     "noEmit": true,
     "incremental": true,
@@ -15,6 +15,6 @@
     "isolatedModules": true,
     "jsx": "preserve"
   },
-  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx", "lib/config/index.js"],
+  "include": ["next-env.d.ts", "**/*.ts", "**/*.tsx"],
   "exclude": ["node_modules"]
 }