BHAV to diagram: readme image update, comments

Author: Cosmatevs

bhav-to-diagram.html

@@ -9,7 +9,7 @@
 	<link rel="stylesheet" href="assets/style.css?v=9" />
 	<script src="assets/common.js?v=3"></script>
 	<script src="assets/svg-pan-zoom-container.js?v=0.6.1"></script> <!-- https://github.com/luncheon/svg-pan-zoom-container -->
-	<script src="assets/mermaid.min.js?v=11.12.0"></script>
+	<script src="assets/mermaid.min.js?v=11.12.0"></script> <!-- https://cdnjs.com/libraries/mermaid -->
 	<style>
 		:root {
 			--flex-direction-x: column;