Update gr.m3u

- sort channels

channels/gr.m3u

@@ -39,6 +39,8 @@ http://stream2.svbllc.com:1935/mega/mega.stream/playlist.m3u8
 http://176.9.123.140:1935/messinia/messinia/master.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="http://i.imgur.com/pK2p5ey.png" group-title="",New Generation (Opt-2)
 http://live.streams.ovh:1935/NGradio/NGradio/playlist.m3u8
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="https://i.imgur.com/1Zl1OJ5.png" group-title="",NRG TV
+http://tv.nrg91.gr:1935/onweb/live/master.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="http://reloadplay.com/wp-content/uploads/2017/04/logo-foto-tv.jpg" group-title="",Reload Play
 http://web.onair-radio.eu:1935/video/video/playlist.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="https://cdn.sat.tv/wp-content/uploads/2016/05/RIK-Sat.png" group-title="",Rik Sat (Κύπρος)
@@ -59,5 +61,3 @@ http://streamer-cache.grnet.gr/parliament/parltv.sdp/master.m3u8
 http://streamer-cache.grnet.gr/parliament/hls/webtv.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="" group-title="",WZRA Kids
 mmsh://wpso.com:200/kids?MSWMExt=.asf
-#EXTINF:-1 tvg-id="" tvg-name="" tvg-logo="https://i.imgur.com/1Zl1OJ5.png" group-title="",NRG TV
-http://tv.nrg91.gr:1935/onweb/live/master.m3u8