add opt-in and status change listener

assets/js/cookie.js

@@ -1,5 +1,12 @@
+var cookiesEnabled = false;
+
 window.addEventListener("load", function() {
     window.cookieconsent.initialise({
+        "type": "opt-in",
+        "position": "bottom-right",
+        content: {
+            message: 'Please allow cookies to enable all features of this website.'
+        },
         "palette": {
             "popup": {
                 "background": "#242943ff"
@@ -7,6 +14,15 @@ window.addEventListener("load", function() {
             "button": {
                 "background": "#ffd500ff"
             }
+        },
+        onStatusChange: function(status, chosenBefore) {
+            // Allow cookies
+            if (status == 'allow') {
+                cookiesEnabled = true;
+            // Disable cookies
+            } else {
+                cookiesEnabled = false
+            }
         }
     })
 });