Update qa.m3u

Added link from https://github.com/iptv-org/iptv/issues/1956#issuecomment-813055882

channels/qa.m3u

@@ -47,3 +47,5 @@ https://bein-plutolive-vo.akamaized.net/playlist720bp.m3u8
 https://qatartv.akamaized.net/hls/live/2026573/qtv1/master.m3u8
 #EXTINF:-1 tvg-id="QatarTV2.qa" tvg-name="Qatar TV 2" tvg-country="QA" tvg-language="Arabic" tvg-logo="http://www.qtv.qa/assets/images/logos/qtvTwo2.png" group-title="General",Qatar TV 2 (720p)
 https://qatartv.akamaized.net/hls/live/2026574/qtv2/master.m3u8
+#EXTINF:-1 tvg-id="QatarTV.qa" tvg-name="Qatar TV" tvg-country="QA" tvg-language="Arabic" tvg-logo="http://www.qtv.qa/assets/images/logos/qtv.png" group-title="General",Qatar TV (720p)
+https://qatartv.akamaized.net/hls/live/2026573/qtv1/master720p.m3u8