added custom settings for HUD

schemas/99_tromjaro-settings.gschema.override

@@ -4,6 +4,17 @@ gtk-theme='Skeuos-Green-Dark'
 [org.gnome.gedit.preferences.editor]
 highlight-current-line=false
 
+[org/mate/hud]
+custom-width='90%'
+hud-monitor='window'
+location='default'
+menu-separator='◂   ▸'
+prompt=''
+recently-used='{}'
+recently-used-max=10
+rofi-theme='mate-hud-rounded'
+shortcut='Alt_L'
+transparency=100
 
 [org/onboard]
 current-settings-page=3