npm init and add npmignore

.gitignore

@@ -0,0 +1,2 @@
+images
+example

.npmignore

@@ -0,0 +1,40 @@
+# OSX
+#
+.DS_Store
+
+# Xcode
+#
+build/
+*.pbxuser
+!default.pbxuser
+*.mode1v3
+!default.mode1v3
+*.mode2v3
+!default.mode2v3
+*.perspectivev3
+!default.perspectivev3
+xcuserdata
+*.xccheckout
+*.moved-aside
+DerivedData
+*.hmap
+*.ipa
+*.xcuserstate
+project.xcworkspace
+
+# Android/IJ
+#
+.idea
+.gradle
+local.properties
+
+# node.js
+#
+node_modules/
+npm-debug.log
+
+# BUCK
+buck-out/
+\.buckd/
+android/app/libs
+android/keystores/debug.keystore

package.json

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+{
+  "name": "react-native-banner",
+  "version": "0.1.0",
+  "description": "react-native-banner",
+  "main": "index.js",
+  "directories": {
+    "example": "example"
+  },
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/wenxucheng/react-native-banner.git"
+  },
+  "author": {
+    "name": "wenxucheng",
+    "email": "[email protected]"
+  },
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/wenxucheng/react-native-banner/issues"
+  },
+  "homepage": "https://github.com/wenxucheng/react-native-banner#readme"
+}