Renamed general and mode constants and implemented a check to verify that constants are just defined ones over the whole repository

roles/srv-web-7-7-inj-matomo/tasks/main.yml

@@ -12,7 +12,7 @@
       domain: "{{ domain }}"
       base_domain: "{{ base_domain }}"
       matomo_verification_url: "{{ matomo_verification_url }}"
-  when: enable_debug | bool
+  when: MODE_DEBUG | bool
 
 - name: "Check if site {{ domain }} is allready registered at Matomo"
   uri:

roles/srv-web-7-7-inj-matomo/templates/matomo-tracking.js.j2

@@ -14,6 +14,6 @@ _paq.push(["enableLinkTracking"]);
   g.async=true; g.src=u+"matomo.js"; s.parentNode.insertBefore(g,s);
 })();
 
-{% if enable_debug | bool %}
+{% if MODE_DEBUG | bool %}
 console.log("Matomo is loaded.");
 {% endif %}