chore(webpack): Move to shared code for entrypoints and use webpack serve public path

Signed-off-by: Julius Härtl <jus@bitgrid.net>

src/init-collections.js

@@ -26,10 +26,7 @@ import './../css/collections.css'
 import FileSharingPicker from './views/FileSharingPicker.js'
 import { buildSelector } from './helpers/selector.js'
 
-// eslint-disable-next-line
-__webpack_nonce__ = btoa(OC.requestToken);
-// eslint-disable-next-line
-__webpack_public_path__ = OC.linkTo('deck', 'js/');
+import './shared-init.js'
 
 Vue.prototype.t = t
 Vue.prototype.n = n