set filetype to yaml.ansible for all yml files

tasks/build/alacritty.yml

@@ -1,3 +1,4 @@
+# vim: set filetype=yaml.ansible :
 ---
 - name: build and install alacritty
   ansible.builtin.command:
@@ -8,6 +9,6 @@
       - "{{ pkgconfig_alacritty.install_prefix }}"
       - --git
       - "{{ pkgconfig_alacritty.git_repo }}"
-      - --tag 
+      - --tag
       - "v{{ pkgconfig_alacritty.version }}"
   become: true