feat: add backend

backend/modules/example.py

@@ -0,0 +1,18 @@
+from fastapi import APIRouter
+
+router = APIRouter(prefix="/example", tags=["example"])
+
+
+@router.get("/")
+async def list_items():
+    return {"items": ["a", "b", "c"]}
+
+
+@router.get("/{item_id}")
+async def get_item(item_id: int):
+    return {"id": item_id, "name": f"item_{item_id}"}
+
+
+@router.post("/")
+async def create_item():
+    return {"status": "created"}