Update ru.m3u

Added Viva TV channel (Resolve #1409)

channels/ru.m3u

@@ -603,3 +603,5 @@ http://live.ugratv.cdnvideo.ru/ugratv/smil:ugrastream1.smil/playlist.m3u8
 http://yurgan.bonus-tv.ru/cdn/yurgan/tracks-v2a1/index.m3u8
 #EXTINF:-1 tvg-id="utv-cheboxary" tvg-name="ЮТВ Чебоксары" tvg-language="Russian" tvg-logo="" group-title="Local",ЮТВ (Чебоксары)
 http://serv24.vintera.tv:8081/utv/Stream/playlist.m3u8
+#EXTINF:-1 tvg-id="viva-tv" tvg-name="VIVA TV" tvg-language="Russian" tvg-logo="https://i.imgur.com/qCLICfC.jpg" group-title="Music",VIVA TV
+https://hls.myvideocontent.ru/hls2/vivarussia/index.m3u8