Add SSL certificate to homepage

and rewrite some tasks

ansible/roles/static-site/tasks/main.yml

@@ -1,13 +1,13 @@
 ---
-- name: "Create nginx config for {{ static_site_name }}."
+- name: "Create nginx config for {{ static_site_name }} from {{ static_site_template }}."
   template:
-    src: site.conf.j2
+    src: '{{ static_site_template }}'
     dest: "/etc/nginx/sites-enabled/{{ static_site_name }}.conf"
   notify: restart nginx
 
 - name: "Create root folder for {{ static_site_name }}."
   file:
-    path: "/var/www/{{ static_site_name }}"
+    path: "{{ static_site_dir }}"
     state: directory
     owner: "{{ deploy_user }}"
     group: www-data