Avoid validation problem fot keybinding file

defaults/main/keybindings.yml

@@ -1,4 +1,16 @@
 ---
+sway_keys_variables:
+ - name: '$left'
+   value: 'h'
+ - name: '$down'
+   value: 'j'
+ - name: '$up'
+   value: 'k'
+ - name: '$right'
+   value: 'l'
+ - name: '$mod'
+   value: 'Mod4'
+
 sway_keybindings:
   - mode: 'normal'
     bindings:

defaults/main/variables.yml

@@ -1,13 +1,5 @@
 ---
 sway_variables:
- - name: '$left'
-   value: 'h'
- - name: '$down'
-   value: 'j'
- - name: '$up'
-   value: 'k'
- - name: '$right'
-   value: 'l'
  - name: '$term'
    value: 'foot'
  - name: '$menu'