Implement get images for example cam; Update failing example cell

Author: hexbabe

docs/examples/example.ipynb

@@ -435,7 +435,13 @@ def __init__(self, name: str):
         super().__init__(name)
 
     async def get_images(self, timeout: Optional[float] = None, **kwargs) -> Tuple[List[NamedImage], ResponseMetadata]:
-        raise NotImplementedError()
+        from google.protobuf.timestamp_pb2 import Timestamp
+        from datetime import datetime
+
+        ts = Timestamp()
+        ts.FromDatetime(datetime.now())
+        metadata = ResponseMetadata(captured_at=ts)
+        return [NamedImage(self.name, self.image.data, self.image.mime_type)], metadata
 
     async def get_point_cloud(self, extra: Optional[Dict[str, Any]] = None, **kwargs) -> Tuple[bytes, str]:
         raise NotImplementedError()