Center new windows by default

Add option to dconf to center new windows when they're launched.

playbooks/manjaro.yaml

@@ -61,14 +61,13 @@
     command: trust extract-compat
     become: yes
 
-  # Palm Rejection
+  # dconf settings
   - name: Turn off palm rejection
     command: dconf write /org/gnome/desktop/peripherals/touchpad/disable-while-typing false
   - name: Set flat mouse acceleration profile
     command: dconf write /org/gnome/desktop/peripherals/mouse/accel-profile "'flat'"
-  - name: Reload dconf
-    command: dconf update
-    become: yes
+  - name: Center new windows
+    command: dconf write /org/gnome/mutter/center-new-windows true
 
   # Daily Driver Tools
   - name: Ensure vim installed