Update cz.m3u

Added more channels

channels/cz.m3u

@@ -57,3 +57,7 @@ http://ocko-live.ssl.cdn.cra.cz/channels/ocko_gold/playlist/cze/live_hq.m3u8
 https://slagrtv-live-hls.ssl.cdn.cra.cz/channels/slagrtv/playlist/cze/live_hq.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-language="Czech" tvg-logo="https://www.starnet.cz/tv/slagr2.png" group-title="",Šlágr 2
 http://92.62.234.233/slagr2.m3u#.m3u8
+#EXTINF:-1,Retro Music Tv
+http://stream.mediawork.cz/retrotv//retrotvHQ1/playlist.m3u8
+#EXTINF:-1 tvg-logo="http://127.0.0.1/" group-title="MUSIC",RETRO TV
+http://89.185.253.55/retrotv/retrotvHQ1/playlist.m3u8