add multi cam support

scripts/stop_stream.sh

@@ -1,7 +1,7 @@
 #!/bin/bash
 # Stop streaming
 
-SOCKET="/tmp/vizion_control.sock"
+SOCKET="${VIZION_SOCKET:-/tmp/vizion_control.sock}"
 
 echo "Stopping stream..."
 echo '{"command":"stop_stream"}' | socat - UNIX-CONNECT:$SOCKET