Integrate Vantage live map for guild claims [skip ci]

panel/server/src/db.rs

@@ -506,6 +506,9 @@ const MIGRATIONS: &[&str] = &[
         PRIMARY KEY (post_id, user_uuid)
     );
     "#,
+    r#"
+    ALTER TABLE game_servers ADD COLUMN map_url TEXT NOT NULL DEFAULT '';
+    "#,
 ];
 
 pub async fn connect(data_dir: &Path) -> Result<SqlitePool> {