mount costumes dir

app.py

@@ -178,6 +178,7 @@ app = Server()
 dist_dir = "./rizz-therapy-frontend/dist"
 
 app.mount("/assets", StaticFiles(directory=os.path.join(dist_dir, "assets")), name="assets")
+app.mount("/costumes", StaticFiles(directory=os.path.join(dist_dir, "costumes")), name="costumes")
 
 app.mount("/StreamingAssets", StaticFiles(directory="./StreamingAssets"), name="streaming_assets")
 app.mount("/WebGL", StaticFiles(directory="./ServerData/WebGL"), name="webgl_bundles")