added usage example

README.md

@@ -12,3 +12,27 @@ However the script needs the channel id. You can get the id from here when you o
 
 
 Requires '_requests_' to work.
+
+## Usage example
+````python
+from GetLatestVideo import API
+
+# Add your Youtube Data API V3 Key here
+API_KEY = ''
+
+# Add the Channel IDs here
+# When you only know the channel name you can get the ID from here https://commentpicker.com/youtube-channel-id.php
+CHANNEL_ID = [
+    'ID1',
+    'ID2'
+]
+
+videos = []
+
+yt = API(API_KEY)
+
+for channel in CHANNEL_ID:
+    videos.append(yt.get_latest_video(channel))
+
+print(videos)
+````