use variable for nginx path

roles/cgit/tasks/main.yml

@@ -118,13 +118,13 @@
 - name: configuration de Nginx
   template:
     src: "cgit-nginx"
-    dest: "/etc/nginx/sites-available/cgit.conf"
+    dest: "{{ ava }}/cgit.conf"
     mode: 0644
 
 - name: lien symbolique pour le site cgit
   file:
-    src:  /etc/nginx/sites-available/cgit.conf
-    dest: /etc/nginx/sites-enabled/cgit.conf
+    src:  "{{ ava }}/cgit.conf"
+    dest: "{{ ena }}/cgit.conf"
     state: link
 
 - name: démarrage par défaut de fcgiwrap