🚀 feat(langflow): add Prompt class to types module

The Prompt class is added to the types module in the langflow package. This class will be used for defining prompts in the language flow processing.

src/backend/langflow/__init__.py

@@ -1,6 +1,7 @@
 from importlib import metadata
 from langflow.cache import cache_manager
 from langflow.processing.process import load_flow_from_json
+from langflow.utils.types import Prompt
 
 try:
     __version__ = metadata.version(__package__)
@@ -9,4 +10,4 @@ except metadata.PackageNotFoundError:
     __version__ = ""
 del metadata  # optional, avoids polluting the results of dir(__package__)
 
-__all__ = ["load_flow_from_json", "cache_manager"]
+__all__ = ["load_flow_from_json", "cache_manager", "Prompt"]

src/backend/langflow/utils/types.py

@@ -0,0 +1,2 @@
+class Prompt:
+    pass