feat: implemented receiving video image from robot

The functionality is implemented in main.py in the functions start_video_rcv and video_rcv_loop.

close: N25B-171

src/robot_interface/endpoints/video_sender.py

@@ -0,0 +1,8 @@
+import zmq
+
+from robot_interface.endpoints.socket_base import SocketBase
+
+class VideoSender(SocketBase):
+    def __init__(self, zmq_context, port=5556):
+        super(VideoSender, self).__init__("video")
+        self.create_socket(zmq_context, zmq.PUB, port)