feat(lyrics): keep the screen awake while viewing lyrics

lib/l10n/arb/app_en.arb

@@ -1544,6 +1544,8 @@
   "@sectionLyrics": {
     "description": "Settings section header"
   },
+  "lyricsKeepScreenOn": "Keep screen on while viewing lyrics",
+  "lyricsKeepScreenOnSubtitle": "Prevent screen timeout while lyrics are open, including when playback is paused.",
   "lyricsMode": "Lyrics Mode",
   "@lyricsMode": {
     "description": "Setting - how to save lyrics"

lib/l10n/arb/app_id.arb

@@ -1512,6 +1512,8 @@
   "@sectionLyrics": {
     "description": "Settings section header"
   },
+  "lyricsKeepScreenOn": "Layar tetap menyala saat melihat lirik",
+  "lyricsKeepScreenOnSubtitle": "Cegah layar mati otomatis selama lirik terbuka, termasuk saat lagu dijeda.",
   "lyricsMode": "Mode Lirik",
   "@lyricsMode": {
     "description": "Setting - how to save lyrics"