feat(openai): 拆分平台接入和第三方接入的相关接口

test/SKIT.FlurlHttpClient.Wechat.OpenAI.UnitTests/ModelSamples/ThirdParty_Slot/SlotSaveRequest.json

@@ -0,0 +1,11 @@
+{
+    "data": [
+        {
+            "id": 1,
+            "name": "test",
+            "dicts": [ "test1", "test2" ],
+            "ask_content": [ "你好", "又是愉快第一天" ],
+            "intent_id": 12334
+        }
+    ]
+}