Set output_format='v1.1' and update docs (#2480)

mem0/client/main.py

@@ -130,13 +130,14 @@ class MemoryClient:
         """
         kwargs = self._prepare_params(kwargs)
         if kwargs.get("output_format") != "v1.1":
+            kwargs["output_format"] = "v1.1"
             warnings.warn(
-                "Using default output format 'v1.0' is deprecated and will be removed in version 0.1.70. "
-                "Please use output_format='v1.1' for enhanced memory details. "
+                "output_format='v1.0' is deprecated therefore setting it to 'v1.1' by default."
                 "Check out the docs for more information: https://docs.mem0.ai/platform/quickstart#4-1-create-memories",
                 DeprecationWarning,
                 stacklevel=2,
             )
+        kwargs["version"] = "v2"
         payload = self._prepare_payload(messages, kwargs)
         response = self.client.post("/v1/memories/", json=payload)
         response.raise_for_status()