fixed package.json with repository and homepage data

@@ -2,10 +2,15 @@
   "name": "ARCS",
   "version": "0.9.0",
   "description": "Augmented Reality Component System in web browser and node environment",
+  "homepage": "http://arcs.ibisc.fr",
+  "repository": {
+    "type": "git",
+    "url": "https://forge.ibisc.univ-evry.fr/arcs/arcs.js.git"
+  },
   "main": "build/arcs.js",
   "scripts": {
     "test": "echo \"Error: no test specified\" && exit 1"
-  },
+  },  
   "keywords": [
     "Augmented",
     "Reality"