nginx/static: Moved directives into var

roles/nginx/static/defaults/main.yml

@@ -2,3 +2,8 @@
 
 # domain: example.com
 root_directory: "{{ global_webservers_directory }}/{{ domain }}"
+
+directives: |
+  location / {
+    try_files $uri $uri/ =404;
+  }

roles/nginx/static/templates/static.conf

@@ -13,7 +13,5 @@ server {
   include {{ nginx_snippets_directory }}/https;
   include {{ nginx_snippets_directory }}/root;
 
-  location / {
-    try_files $uri $uri/ =404;
-  }
+  {{ directives | indent(width=2) }}
 }