Add support for debian

tasks/main.yml

@@ -13,7 +13,7 @@
 
 - name: Add official nginx repository
   ansible.builtin.apt_repository:
-    repo: "deb http://nginx.org/packages/mainline/ubuntu {{ ansible_distribution_release }} nginx"
+    repo: "deb http://nginx.org/packages/mainline/{{ ansible_distribution | lower }} {{ ansible_distribution_release }} nginx"
 
 - name: Install nginx
   ansible.builtin.apt: