feat: Add types to package.json

Author: myxvisual

package.json

@@ -45,6 +45,7 @@
     "react": "^16.0.0",
     "react-dom": "^16.0.0"
   },
+  "types": "index.d.ts",
   "devDependencies": {
     "@types/murmurhash-js": "^1.0.2",
     "@types/react": "^16.4.1",
@@ -92,4 +93,4 @@
     "tinycolor2": "^1.4.1",
     "warning": "^3.0.0"
   }
-}
+}