Added package.json to make it possible to install the plugin via npm

Since Cordova v7.x the default behavior for adding plugins is to install via npm rather than git clone

See:
blocshop#42

package.json

@@ -0,0 +1,26 @@
+{
+  "name": "sockets-for-cordova",
+  "version": "1.1.0",
+  "cordova": {
+    "id": "sockets-for-cordova",
+    "platforms": [
+      "android",
+      "ios",
+      "wp8"
+    ]
+  },
+  "description": "This Cordova plugin provides JavaScript API, that allows you to communicate with server through TCP protocol. Currently we support these platforms: iOS, Android, WP8.",
+  "repository": "https://github.com/blocshop/sockets-for-cordova.git",
+  "issue": "https://github.com/blocshop/sockets-for-cordova/issues",
+  "keywords": [
+    "sockets",
+    "tcp",
+    "ecosystem:cordova",
+    "cordova",
+    "cordova-android",
+    "cordova-ios",
+    "cordova-wp8"
+  ],
+  "author": "Blocshop",
+  "license": "BSD"
+}