Add notifications badge and page (#240)

* WIP on server notifications

* WIP: Add server notifications page and removal of notifications

* improve design

* fix missing notifications case; add tooltop

* Fix api response

* fix tests

* add docs; update readme

src/synapse/authProvider.ts

@@ -80,11 +80,7 @@ const authProvider: AuthProvider = {
       localStorage.setItem("access_token", accessToken ? accessToken : json.access_token);
       localStorage.setItem("device_id", json.device_id);
       localStorage.setItem("login_type", accessToken ? "accessToken" : "credentials");
-
-      // when doing access token auth, config is not fetched, so we need to do it here
-      if (accessToken) {
-        await FetchConfig();
-      }
+      await FetchConfig();
 
       return Promise.resolve({redirectTo: "/"});
     } catch(err) {