refactoring

app/api/skins.py

@@ -0,0 +1,12 @@
+from fastapi import APIRouter, UploadFile, File, Form
+from app.services.skin import SkinService
+
+router = APIRouter(tags=["Skins"])
+
+@router.post("/user/{username}/skin")
+async def set_skin(username: str, skin_file: UploadFile = File(...), skin_model: str = Form("classic")):
+    return await SkinService().set_skin(username, skin_file, skin_model)
+
+@router.delete("/user/{username}/skin")
+async def remove_skin(username: str):
+    return await SkinService().remove_skin(username)