Add UUIDGeneratorComponent to generate unique IDs

src/backend/langflow/components/utilities/IDGenerator.py

@@ -0,0 +1,18 @@
+import uuid
+
+from langflow import CustomComponent
+
+
+class UUIDGeneratorComponent(CustomComponent):
+    documentation: str = "http://docs.langflow.org/components/custom"
+    display_name = "Unique ID Generator"
+    description = "Generates a unique ID."
+
+    def generate(self, *args, **kwargs):
+        return str(uuid.uuid4().hex)
+
+    def build_config(self):
+        return {"unique_id": {"display_name": "Value", "value": self.generate}}
+
+    def build(self, unique_id: str) -> str:
+        return unique_id