Added stub index.js and put repository link in package.json

index.js

+/*
+This is part of datacrate, a node.js library for working with 
+DataCrates.  Copyright (C) 2018  University of Technology Sydney
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
\ No newline at end of file

package.json

@@ -11,5 +11,6 @@
     "data"
   ],
   "author": "Mike Lynch",
-  "license": "GPL-3.0"
+  "license": "GPL-3.0",
+  "repository": "https://code.research.uts.edu.au/eresearch/datacrate"
 }