add symlink helper

- symlinking is done often enough that it makes sense to have a helper
for it
- move appimage and archive helpers to use symlink helper
- fix formatting of air and alacritty

tasks/helpers/appimage.yml

@@ -23,7 +23,8 @@
         backup: false
 
     - name: Link appimage to bin
-      ansible.builtin.file:
-        state: link
-        src: "{{ path_appimage }}/{{ appimage.name }}/{{ appimage.filename }}"
-        path: "{{ path_bin }}/{{ appimage.name }}"
+      vars:
+        links:
+          - from: "{{ path_appimage }}/{{ appimage.name }}/{{ appimage.filename }}"
+            to: "{{ path_bin }}/{{ appimage.name }}"
+      ansible.builtin.include_tasks: helpers/symlink.yml