refactor: create a separate role for waybar

desktop.yml

@@ -3,3 +3,4 @@
   roles:
     - desktop
     - sway
+    - waybar

roles/desktop/handlers/main.yml

@@ -1,4 +1,2 @@
-- name: Restart waybar
-  shell: "killall waybar && waybar &"
 - name: Kill dunst
   shell: "killall dunst"

roles/desktop/tasks/main.yml

@@ -1,5 +1,3 @@
-- name: Waybar
-  import_tasks: waybar.yml
 - name: Wofi
   import_tasks: wofi.yml
 - name: Dunst

roles/waybar/handlers/main.yml

@@ -0,0 +1,2 @@
+- name: Restart waybar
+  shell: "killall waybar && waybar &"