add index_stats python api (#1096)

the integration test will be covered in another PR:
https://github.com/lancedb/sophon/pull/1876

python/python/lancedb/remote/table.py

@@ -68,10 +68,16 @@ class RemoteTable(Table):
 
     def list_indices(self):
         """List all the indices on the table"""
-        print(self._name)
         resp = self._conn._client.post(f"/v1/table/{self._name}/index/list/")
         return resp
 
+    def index_stats(self, index_uuid: str):
+        """List all the indices on the table"""
+        resp = self._conn._client.post(
+            f"/v1/table/{self._name}/index/{index_uuid}/stats/"
+        )
+        return resp
+
     def create_scalar_index(
         self,
         column: str,