build: replace exclude with include in tsconfig

Author: exuanbo

tsconfig.json

@@ -10,5 +10,7 @@
     "skipLibCheck": true,
     "forceConsistentCasingInFileNames": true
   },
-  "exclude": ["node_modules", "**/*.test.ts"]
+  "include": [
+    "./src/**/*.ts"
+  ]
 }