refactor: The first refactored version for sdk release (#907)

Co-authored-by: chengfangyin2 <chengfangyin3@jd.com>

dbgpt/app/scene/chat_normal/out_parser.py

@@ -0,0 +1,13 @@
+import logging
+from dbgpt.core.interface.output_parser import BaseOutputParser, T
+
+
+logger = logging.getLogger(__name__)
+
+
+class NormalChatOutputParser(BaseOutputParser):
+    def parse_prompt_response(self, model_out_text) -> T:
+        return model_out_text
+
+    def get_format_instructions(self) -> str:
+        pass