Update br.m3u

Added Rede Globo from https://github.com/iptv-org/iptv/issues/1968#issuecomment-779878091

channels/br.m3u

@@ -147,3 +147,5 @@ https://livefocamundo.com:8081/8266/tracks-v1a1/mono.m3u8
 https://srv3.zcast.com.br/yeeaah/yeeaah/playlist.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-country="BR" tvg-language="Portuguese" tvg-logo="" group-title="Local",ZOOM (720p)
 https://dcunilive36-lh.akamaihd.net/i/dclive_1@667493/master.m3u8
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-country="BR" tvg-language="Portuguese" tvg-logo="" group-title="Sport",Rede Globo
+http://live.video.globo.com/h/1402196682759012345678915746027599876543210hM4EA1neMoQoIiUyVn1TNg/k/app/a/A/u/anyone/d/s/hls-globo-rj/playlist.m3u8