Show all blog posts + other md formatting fixes

docusaurus.config.js

@@ -68,6 +68,8 @@ const config = {
             'https://github.com/DefangLabs/defang-docs/tree/main/',
         },
         blog: {
+          blogSidebarCount: 'ALL', // Show all posts in sidebar
+          blogSidebarTitle: 'All Posts', // Custom title
           showReadingTime: true,
           // Remove the editUrl property for the blog section
         },
@@ -188,6 +190,12 @@ const config = {
   ],
   markdown: {
     mermaid: true,
+    format: 'mdx',
+    mdx1Compat: {
+      comments: true,
+      admonitions: false,
+      headingIds: false
+    }
   },
 };