⚡ 🔥 Refactor struct & code for loading 3rd scripts.

assets/js/third-party/others/mermaid.js

@@ -0,0 +1,15 @@
+/* Mermaid plugin */
+NexT.plugins.others.mermaid = function() {
+  const mermaid_js = NexT.utils.getCDNResource(NexT.CONFIG.page.mermaid.js);
+
+  NexT.utils.getScript(mermaid_js, function(){
+    mermaid.initialize({
+      sequence: { 
+        showSequenceNumbers: true,
+        actorMargin: 50, 
+        diagramMarginX:10, 
+        diagramMarginY:10
+      }
+    });
+  });
+}