feat(langflow): add /health endpoint to API

refactor(langflow): remove redundant /health endpoint from main.py

src/backend/langflow/api/endpoints.py

@@ -40,3 +40,8 @@ async def get_load(predict_request: PredictRequest):
 @router.get("/version")
 def get_version():
     return {"version": version("langflow")}
+
+
+@router.get("/health")
+def get_health():
+    return {"status": "OK"}

src/backend/langflow/main.py

@@ -25,7 +25,6 @@ def create_app():
     app.include_router(endpoints_router)
     app.include_router(validate_router)
     app.include_router(chat_router)
-    app.get("/health")(lambda: {"status": "OK"})
     return app