set filetype to yaml.ansible for all yml files

tasks/pkgs/gping.yml

@@ -1,3 +1,4 @@
+# vim: set filetype=yaml.ansible :
 ---
 - name: append to syspkgs
   ansible.builtin.set_fact:
@@ -12,7 +13,7 @@
       when:
         - pkgconfig_rust is undefined
 
-    - ansbile.builtin.set_fact:
+    - ansible.builtin.set_fact:
         cargopkgs: "{{ cargopkgs + [ 'gping' ] }}"
   when:
     - ansible_os_family != 'Darwin'