Update version number, add prepublish script

Author: jacobp100

package.json

@@ -1,12 +1,13 @@
 {
   "name": "css-to-react-native",
-  "version": "1.0.0",
+  "version": "1.0.1",
   "description": "",
   "main": "dist/index.js",
   "scripts": {
     "build-grammar": "nearleyc src/grammar.ne -o src/grammar.js",
     "build": "npm run build-grammar; babel src --ignore test.js --out-dir dist",
-    "test": "npm run build-grammar; jest"
+    "test": "npm run build-grammar; jest",
+    "prepublish": "npm run build"
   },
   "repository": {
     "type": "git",