adding environment vars for camera configuration

01OS/.env.example

@@ -35,6 +35,17 @@ STT_RUNNER=client # If server, audio will be sent over websocket.
 # Will expose the server publically and display that URL.
 SERVER_EXPOSE_PUBLICALLY=False
 
+# Image capture settings
+CAMERA_ENABLED=True
+
+# Camera device selection (Typically 0 for built-in, 1 for USB)
+CAMERA_DEVICE_INDEX=0
+
+# Camera warmup time
+# This is a workaround for some cameras that don't immediately
+# return a properly exposed picture when they are first turned on
+CAMERA_WARMUP_SECONDS=0.4
+
 # Debug level
 # LOG_LEVEL=DEBUG
 LOG_LEVEL="INFO"