add support for raspbian

defaults/main.yml

@@ -18,5 +18,8 @@ default_repos:
         url: "deb http://deb.debian.org/debian-security/ {{ ansible_distribution_release|lower }}/updates main contrib non-free"
       backports:
         url: "deb http://http.debian.net/{{ ansible_distribution|lower }} {{ ansible_distribution_release|lower }}-backports main contrib non-free"
+  raspbian:
+    bullseye: {}
+    buster: {}