removed example/package.json and moved dependencies and scripts into the root package.json

Author: wagnermaciel

example/package.json

@@ -1,18 +1,36 @@
-
 {
   "name": "react-native-androidprogressbar",
   "version": "1.0.0",
-  "description": "",
+  "description": "React Native Android Progress Bar",
   "main": "index.js",
   "scripts": {
-    "test": "echo \"Error: no test specified\" && exit 1"
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start-example": "cd example && node node_modules/react-native/local-cli/cli.js start",
+    "test-example": "cd example && jest"
   },
   "keywords": [
-    "react-native"
+    "react-native",
+    "react native",
+    "androidprogressbar"
   ],
   "author": "",
   "license": "",
   "peerDependencies": {
     "react-native": "^0.41.2"
+  },
+  "dependencies": {
+    "react": "16.8.3",
+    "react-native": "0.59.4"
+  },
+  "devDependencies": {
+    "@babel/core": "^7.4.3",
+    "@babel/runtime": "^7.4.3",
+    "babel-jest": "^24.7.1",
+    "jest": "^24.7.1",
+    "metro-react-native-babel-preset": "^0.53.1",
+    "react-test-renderer": "16.8.3"
+  },
+  "jest": {
+    "preset": "react-native"
   }
 }