feat: handle keyboard interruption more gracefully

ripper.py

@@ -3,17 +3,21 @@
 DVD/Blu-ray ripper using HandBrakeCLI with scene-style naming.
 
 Scans a disc, selects the best audio & subtitle track per language
-(passthrough), encodes with H.265 10-bit AMD VCE (falling back to
-x265_10bit on CPU), and generates an NFO file via pymediainfo.
+(passthrough), encodes with H.265/H.264/AV1 (auto-selecting HW
+acceleration), and generates an NFO file via pymediainfo.
 
 Usage:
     python ripper.py --imdb tt6977338
     python ripper.py --name 'Game Night' --year 2018
+    python ripper.py --codec av1 --quality 30
     python ripper.py --scan-only
     python ripper.py --list
 """
 
+import sys
 from ripper.cli import main
 
-if __name__ == "__main__":
+try:
     main()
+except KeyboardInterrupt:
+    sys.exit(130)