add an example for copying the CA cert

example.yml

@@ -6,3 +6,10 @@
   vars:
     directory: /etc/nginx/certs/
     cname: example.com
+
+- hosts: all
+  tasks: Copy the CA certificate to remote host, for mutual SSL auth for instance
+    - name: 
+      copy:
+        content: "{{ ca_cert }}"
+        dest: /etc/nginx/certs/ca.crt