feat: add the mermaid (#31)

Author: gretmn102

docusaurus.config.ts

@@ -61,6 +61,12 @@ const config: Config = {
     ],
   ],
 
+  markdown: {
+    mermaid: true,
+  },
+
+  themes: ['@docusaurus/theme-mermaid'],
+
   themeConfig: {
     // Replace with your project's social card
     image: 'img/agent-social-card.png',