[Docs Site] Add figcaption from img title attribute (#16891)

Author: KianNH

astro.config.mjs

@@ -13,6 +13,7 @@ import { h } from "hastscript";
 import { readdir } from "fs/promises";
 import icon from "astro-icon";
 import sitemap from "@astrojs/sitemap";
+import rehypeTitleFigure from "rehype-title-figure";
 
 const runLinkCheck = process.env.RUN_LINK_CHECK || false;
 
@@ -83,6 +84,7 @@ export default defineConfig({
 			],
 			rehypeSlug,
 			[rehypeAutolinkHeadings, autolinkConfig],
+			rehypeTitleFigure,
 		],
 	},
 	experimental: {

package-lock.json

@@ -51,6 +51,7 @@
 		"rehype-external-links": "^3.0.0",
 		"rehype-mermaid": "^2.1.0",
 		"rehype-slug": "^6.0.0",
+		"rehype-title-figure": "^0.1.2",
 		"sharp": "^0.33.5",
 		"solarflare-theme": "^0.0.2",
 		"starlight-image-zoom": "^0.8.0",