Update dz.m3u

Added link to Ennahar TV from https://github.com/iptv-org/iptv/issues/1558#issuecomment-662827895

channels/dz.m3u

@@ -3,3 +3,5 @@
 http://numidiatv-live.dzsecurity.net:8081/entv/EnnaharTV_SD/playlist.m3u8
 #EXTINF:-1 tvg-id="" tvg-name="" tvg-language="Arabic" tvg-logo="" group-title="",Canal Algérie
 http://178.132.3.162:88/canal_algerie/video.m3u8?token=test
+#EXTINF:-1 tvg-id="" tvg-name="" tvg-language="Arabic" tvg-logo="https://upload.wikimedia.org/wikipedia/en/thumb/c/cc/Ennahar_TV.svg/330px-Ennahar_TV.svg.png" group-title="",Ennahar TV
+http://numidiatv-live.dzsecurity.net:8081/entv/EnnaharTV/playlist.m3u8