Fix and improve startup layout

hosts/desktop/i3/layout.sh

@@ -1,10 +1,24 @@
+# Exit layout script if Firefox or Discord is open,
+# i3 has been reloaded
+pgrep firefox || pgrep Discord && exit 0
+
+# Switch to workspace 1
 i3-msg workspace 1
+# Start up Firefox in the background
 firefox &
+# Give Firefox some time to start up
+sleep 1
 
+# Switch to workspace 2, load layout, and open blank space
 i3-msg "workspace 2; append_layout @tree@; open"
+# Move blank space to appropriate space,
+# i3 layout files don't support blank space
 for i in {1..4}; do
     i3-msg move left
 done
-discord
+# Start up Discord in the background
+discord &
+# Open YouTube for music
 firefox --new-window https://youtube.com
+# Go back to primary workspace
 i3-msg workspace 1

hosts/desktop/i3/tree.json

@@ -7,6 +7,10 @@
             "swallows": [{ "class": "^firefox$" }],
             "type": "con"
         },
+        {
+            "swallows": [{ "title": "Discord Updater" }],
+            "type": "con"
+        },
         {
             "swallows": [{ "class": "^discord$" }],
             "type": "con"