point docs package.json at the github repo

Author: danielbarela

docs/package.json

@@ -2,7 +2,7 @@
   "name": "geopackage-browserify-demo",
   "dependencies": {
     "@mapbox/vector-tile": "^1.3.1",
-    "@ngageoint/geopackage": "../.",
+    "@ngageoint/geopackage": "github:ngageoint/geopackage-js",
     "async": "^2.0.0-rc.5",
     "file-saver": "^2.0.0-rc.3",
     "file-type": "12.4.0",