Add gsettings module & use it

Disable switch-input-source & switch-input-source-backward keybindings.

roles/gnome-shell/tasks/main.yaml

@@ -2,7 +2,7 @@
 - assert:
     that: "'GNOME' in ansible_env.XDG_CURRENT_DESKTOP"
 
-- name: install gnome extra packages
+- name: install packages
   become: true
   package:
     name:
@@ -10,6 +10,23 @@
       - gnome-themes-extra
     state: latest
 
+- name: prefer dark mode
+  gsettings:
+    schema: org.gnome.desktop.interface
+    key: color-scheme
+    value: "'prefer-dark'"
+
+- name: disable switch-input-source keybinding
+  gsettings:
+    schema: org.gnome.desktop.wm.keybindings
+    key: switch-input-source
+    value: '@as []'
+- name: disable switch-input-source-backward keybinding
+  gsettings:
+    schema: org.gnome.desktop.wm.keybindings
+    key: switch-input-source-backward
+    value: '@as []'
+
 # NOTE: Use this command to see default keybindings
 # gsettings list-recursively | grep -i -E 'media-keys|keybindings'
 # NOTE: Use this command to inspect the current state of the custom keybindings