lib: add an example to download an image (untested)

lib/example_get_image.py

@@ -0,0 +1,20 @@
+import asyncio
+import io
+import PIL.Image as Image
+from brilliant import Monocle
+
+remote_script = '''
+import camera
+camera.capture()
+while data := camera.read(bluetooth.max_length()):
+    bluetooth.send(data)
+'''
+
+async def get_image():
+    async with Monocle() as m:
+        await m.send_command(remote_script)
+        from_monocle = await m.get_all_data()
+        return Image.open(io.BytesIO(from_monocle))
+
+im = asyncio.run(get_image())
+im.show()