Add fluxer (#4104)

data/category-communication

@@ -1,5 +1,6 @@
 include:clubhouse
 include:discord
+include:fluxer
 include:freenode
 include:intercom
 include:keybase

data/fluxer

@@ -0,0 +1,11 @@
+fluxer.app
+fluxer.com
+fluxer.dev
+fluxer.gg
+fluxer.gift
+fluxer.media
+fluxer.tools
+fluxerapp.com
+fluxerstatus.com
+fluxerstatic.com
+fluxerusercontent.com