Desktop support (#4484)

* Remove home link on desktop app

* Spellcheck, installation toasts, background styling, …

* Add email,slack, auth support

* More desktop style tweaks

* Move redirect to client

* cleanup

* Record desktop usage

* docs

* fix: Selection state in search input when double clicking header

server/types.ts

@@ -1,5 +1,7 @@
 import { Context } from "koa";
 import { RouterContext } from "koa-router";
+import { Client } from "@shared/types";
+import { AccountProvisionerResult } from "./commands/accountProvisioner";
 import { FileOperation, Team, User } from "./models";
 
 export enum AuthenticationType {
@@ -7,6 +9,10 @@ export enum AuthenticationType {
   APP = "app",
 }
 
+export type AuthenticationResult = AccountProvisionerResult & {
+  client: Client;
+};
+
 export type AuthenticatedState = {
   user: User;
   token: string;