Add more Russian domains (#4051)

data/category-forums-ru

@@ -1,10 +1,11 @@
 dtf.ru           # Platform for discussing games, movies, development, technology and everything else in the world
+joyreactor.cc    # All-purpose RU forum
 opennet.dev      # Website about open source, linux, BSD and unix systems
 opennet.ru       # Opennent`s alternative domain
-prodota.ru       # Website about Dota 2
 pikabu.ru        # Popular forum
+prodota.ru       # Website about Dota 2
 tischenko.su     # Opennent`s alternative domain
 vc.ru            # Popular forum
+yap.ru           # Yaplakal`s alternative domain
 yapfiles.ru      # Free file storage service
 yaplakal.com     # Entertainment forum
-yap.ru           # Yaplakal`s alternative domain