i3: restore Keybase (which is now on trial period)

Is it going to be in tray kindly or will I distract myself by starting
to click and read on it? It's the only autostarting app that I cannot
configure to hide or be more unsuitable for bigger chats.

conf/i3/config

@@ -295,7 +295,7 @@ exec --no-startup-id aa-notify -p -s 1 -w 60
 exec --no-startup-id caffeine-indicator
 #exec --no-startup-id kdocker -d 60 dino
 # ELECTRON!
-#exec --no-startup-id KEYBASE_AUTOSTART=1 run_keybase -a
+exec --no-startup-id KEYBASE_AUTOSTART=1 run_keybase -a
 
 # Flatpaks
 # ELECTRON!