explicit main entry in package.json

Author: Christopher J. Brody

package.json

@@ -2,6 +2,7 @@
   "name": "sqlite-evcustom-browser-memory-storage-ext-free",
   "version": "0.0.1-dev",
   "description": "SQLite evcustom browser memory storage - emulation of Cordova/PhoneGap sqlite storage plugin on browser - custom enterprise version with premium performance improvements and extra features",
+  "main": "index.js",
   "cordova-disabled": {
     "id": "sqlite-evcustom-browser-memory-storage-ext-free",
     "platforms": [