Add Discord server id to config

Author: carlbennett

etc/config.sample.json

@@ -5,7 +5,10 @@
       "battleforthenet": "",
       "vultr": ""
     },
-    "discord_url": "https://discord.gg/u87WVeu",
+    "discord": {
+      "invite_code": "u87WVeu",
+      "server_id": 405789880749260820
+    },
     "donations": {
       "btc_address": "",
       "paypal_url": ""

src/controllers/Welcome.php

@@ -14,7 +14,8 @@ public function &run( Router &$router, View &$view, array &$args ) {
 
     $model = new WelcomeModel();
 
-    $model->discord_url = Common::$config->bnetdocs->discord_url;
+    $model->discord_url = 'https://discord.gg/';
+    $model->discord_url .= Common::$config->bnetdocs->discord->invite_code;
 
     $view->render( $model );