Add config to exclude unnecessary files from compiling

tslib/react/tsconfig.json

@@ -24,5 +24,10 @@
     "jsx": "react-jsx"
   },
   "include": ["src/**/*.ts", "src/**/*.tsx"],
+  "exclude": [
+    "src/**/*.stories.tsx",
+    "src/**/*.stories.ts",
+    "src/MockStudies.ts"
+  ],
   "references": [{ "path": "./tsconfig.node.json" }]
 }