chore(translate): (Korean)

Currently translated at 100.0% (16 of 16 strings)

Translation: Findroid/player:video
Translate-URL: https://weblate.jdtech.dev/projects/findroid/playervideo/ko/

player/video/src/main/res/values-ko/strings.xml

@@ -15,4 +15,5 @@
     <string name="player_controls_play_pause">재생/일시정지</string>
     <string name="player_controls_skip_forward">앞으로 건너뛰기</string>
     <string name="player_controls_progress">진행 표시줄</string>
+    <string name="player_controls_picture_in_picture">picture-in-picture 전환</string>
 </resources>