Update lv.m3u

Added 1 channel

channels/lv.m3u

@@ -7,3 +7,5 @@ http://5a44e5b800a41.streamlock.net:1935/liveVLR1/mp4:LR1/playlist.m3u8
 http://5a44e5b800a41.streamlock.net:1935/liveVLR3/mp4:Klasika/playlist.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-language="Latvian" tvg-logo="https://i.imgur.com/r4rlHUt.png" group-title="",TVNET
 https://player.tvnet.lv/stream/amlst:61659/playlist.m3u8
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="" tvg-logo="https://i.imgur.com/A6szQkm.png" group-title="",ReTV
+http://edge-telia2.tiesraides.lv/live/retv.lv.1_2/chunklist.m3u8