Add mermaid support

Author: glopesdev

templates/html/partials/scripts.tmpl.partial

@@ -0,0 +1,15 @@
+<!-- Mermaid -->
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.2/css/all.min.css" />
+<script type="text/javascript" src="{{_rel}}styles/docfx.vendor.min.js"></script>
+<script type="text/javascript" src="{{_rel}}styles/docfx.js"></script>
+<script type="text/javascript" src="{{_rel}}styles/main.js"></script>
+<script type="text/javascript" src="https://unpkg.com/mermaid@10.3.1/dist/mermaid.min.js"
+        integrity="sha384-58cFgoKnTNsiRsIGipaj7SlPrj6T0tkDXKnAqT3uZMRaNnGXX/ORrpCSMzznqldk" 
+        crossorigin="anonymous"></script>
+<!-- Initialize Mermaid -->
+<script>
+    mermaid.initialize({
+        startOnLoad: false
+    });
+    mermaid.init(undefined, ".lang-mermaid");
+</script>