Enhanced Discord Support (#7005)

* Add Discord Provider Prototype

* Add Discord Logo

* Add Plugin to Plugin Manager

* fixed discord auth support and added icon

* add csv role verification

* grab discord server icon and test server id and roles

* subdomain derived from server name

* use discord server specific nickname if available

* Cleanup and comment

* move discord api types to dev deps

* cleanup of server vs default params

* remove commented out lines

* revert envv.development

* revert in vscode

* update yarn lock

* add gif support for discord server icon

* add comment with docs link

* add env section for discord

* fix errors and clarify env

* add new cannot use without

* fix suggestions

plugins/discord/server/index.ts

@@ -0,0 +1,14 @@
+import { PluginManager, Hook } from "@server/utils/PluginManager";
+import config from "../plugin.json";
+import router from "./auth/discord";
+import env from "./env";
+
+const enabled = !!env.DISCORD_CLIENT_ID && !!env.DISCORD_CLIENT_SECRET;
+
+if (enabled) {
+  PluginManager.add({
+    ...config,
+    type: Hook.AuthProvider,
+    value: { router, id: config.id },
+  });
+}