add special-case ping handlers to mai2, ongeki and chuni

titles/ongeki/index.py

@@ -72,6 +72,9 @@ class OngekiServlet():
         return (True, f"http://{core_cfg.title.hostname}/{game_code}/$v/", f"{core_cfg.title.hostname}/")
 
     def render_POST(self, request: Request, version: int, url_path: str) -> bytes:
+        if url_path == "/ping":
+            return zlib.compress(json.dumps({'returnCode': 1}, ensure_ascii=False).encode("utf-8"))
+
         req_raw = request.content.getvalue()
         url_split = url_path.split("/")
         internal_ver = 0