Add profile photo uploads and custom difficulty support

lib/discord-announcements.ts

@@ -102,11 +102,20 @@ async function announcementSource(
     );
     hostName = profile.display_name;
   }
+  const difficultySettings =
+    room.difficulty_settings &&
+    typeof room.difficulty_settings === "object" &&
+    !Array.isArray(room.difficulty_settings)
+      ? room.difficulty_settings
+      : null;
   return {
     id: room.id,
     name: map.data.name,
     owner: hostName,
-    difficulty: room.difficulty,
+    difficulty:
+      typeof difficultySettings?.name === "string"
+        ? difficultySettings.name
+        : room.difficulty,
     players: players.length,
     limit: room.player_limit,
   };