Add --record-orientation

Add an option to store the orientation to apply in a recorded file.

Only rotations are supported (not flip), and most players correctly
handle it only for MP4 files (not MKV files).

app/data/zsh-completion/_scrcpy

@@ -67,6 +67,7 @@ arguments=(
     {-r,--record=}'[Record screen to file]:record file:_files'
     '--raw-key-events[Inject key events for all input keys, and ignore text events]'
     '--record-format=[Force recording format]:format:(mp4 mkv m4a mka opus aac flac wav)'
+    '--record-orientation=[Set the record orientation]:orientation values:(0 90 180 270)'
     '--render-driver=[Request SDL to use the given render driver]:driver name:(direct3d opengl opengles2 opengles metal software)'
     '--require-audio=[Make scrcpy fail if audio is enabled but does not work]'
     {-s,--serial=}'[The device serial number \(mandatory for multiple devices only\)]:serial:($("${ADB-adb}" devices | awk '\''$2 == "device" {print $1}'\''))'