Many thanks to the FreeI-IPTV project 

https://is.gd/freeiptvall 

https://raw.githubusercontent.com/Free-IPTV/Countries/master/ZZ_PLAYLIST_ALL_TV.m3u

If you do not know how to add a new subscription, go to this article.

UPDATE: Feb. 25 2021 The author of this list decided to take his repo down. Here is the last available copy in TV-Lite format

http://tv-lite.com/uploads/tv-lite/IPTV-Free.db