fix entry file

Author: DaniAkash

package.json

@@ -1,10 +1,10 @@
 {
   "name": "react-native-blank-spacer",
-  "version": "0.0.1",
+  "version": "0.0.1-alpha-2",
   "description": "A blank spacer component for react native to help build components & layouts without margins",
   "main": "lib/commonjs/index.js",
   "module": "lib/module/index.js",
-  "react-native": "src/index.ts",
+  "react-native": "src/index.tsx",
   "types": "lib/typescript/src/index.d.ts",
   "files": [
     "lib/",