Migrate all the things

* Migrates from Mongo to Postgres.
* Migrates from JSPM to Webpack.
* Migrates from React to Vuejs.
* Migrates from Bootstrap to Bulma.

Also:
* Fixes rendering of meta data in the document head tag.

public/src/entry-server.js

@@ -0,0 +1,15 @@
+import { app, router, store } from './app';
+
+// This exported function will be called by `bundleRenderer`.
+// This is where we perform data-prefetching to determine the
+// state of our application before actually rendering it.
+// Since data fetching is async, this function is expected to
+// return a Promise that resolves to the app instance.
+export default (context) => {
+  // set router's location
+  router.push(context.url);
+
+  store.replaceState(context.initialState);
+
+  return app;
+};