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/archive.yml

@@ -37,16 +37,9 @@
             exclude: "{{ archive.exclude | default(omit) }}"
 
         - name: Symlink archive files
-          become: "{{ install_become }}"
-          become_user: "{{ install_become_user }}"
           when:
             - archive.links is defined
             - archive.links | length > 0
-          loop: "{{ archive.links }}"
-          loop_control:
-            loop_var: lnk
-          ansible.builtin.file:
-            state: link
-            path: "{{ lnk.to }}"
-            src: "{{ lnk.from }}"
-            force: "{{ lnk.force | default(omit) }}"
+          vars:
+            links: "{{ archive.links }}"
+          ansible.builtin.include_tasks: helpers/symlink.yml