Update README.md

Author: dormant-user

README.md

@@ -39,8 +39,9 @@ if __name__ == '__main__':
 **Mandatory**
 - **USERNAME**: Any username of choice.
 - **PASSWORD**: Any password of choice.
+- **SECRET**: Any private key to encode and decode JWT.
 - **VIDEO_SOURCE**: Source path for video files.
-> :bulb:   Files starting with `_` _(underscore)_ will be ignored
+> :bulb:   Files starting with `_` _(underscore)_ and `.` _(dot)_ will be ignored
 
 **Optional**
 - **VIDEO_HOST**: IP address to host the video. Defaults to `127.0.0.1`