added caddy machine and start of caddy ansible playbook

ansible/plays/machine_setup/caddy.yml

@@ -0,0 +1,39 @@
+---
+- name: Set up caddy LXC
+  hosts: caddy
+  become: yes
+  tasks:
+    - name: default_packages
+      ansible.builtin.include_tasks: ../../templates/default_packages.yml
+
+    - name: create_user
+      ansible.builtin.include_tasks: ../../templates/create_user.yml
+      vars:
+        username: nick
+        github_user: Chewbaccalakis
+
+    - name: install caddy
+      block:
+        - name: install xcaddy prerequisites
+          ansible.builtin.apt:
+            name:
+              - debian-keyring
+              - debian-archive-keyring
+              - apt-transport-https
+            state: present
+
+        - name: download xcaddy gpg key
+          ansible.builtin.shell:
+            cmd: curl -1sLf 'https://dl.cloudsmith.io/public/caddy/xcaddy/gpg.key' | gpg --dearmor -o /usr/share/keyrings/caddy-xcaddy-archive-keyring.gpg
+            creates: /usr/share/keyrings/caddy-xcaddy-archive-keyring.gpg
+
+        - name: add xcaddy apt repository
+          ansible.builtin.shell:
+            cmd: curl -1sLf 'https://dl.cloudsmith.io/public/caddy/xcaddy/debian.deb.txt' | tee /etc/apt/sources.list.d/caddy-xcaddy.list
+            creates: /etc/apt/sources.list.d/caddy-xcaddy.list
+
+        - name: install xcaddy
+          ansible.builtin.apt:
+            name: xcaddy
+            state: present
+            update_cache: yes