Support the following options:

- The live camera display as you see it in the front-facing camera frame (like iPhone's Mirror Front Camera).
- The live camera frame is resizable.
Note: These options are turned off by default. Enabling both options may reduce performance by ~2%.

Signed-off-by: Vic P <vic4key@gmail.com>

modules/globals.py

@@ -20,6 +20,8 @@ many_faces = None
 nsfw_filter = None
 video_encoder = None
 video_quality = None
+live_mirror = None
+live_resizable = None
 max_memory = None
 execution_providers: List[str] = []
 execution_threads = None