docs: add util to generate clean markdown for a file (#11303)

www/yarn.lock

@@ -1583,7 +1583,7 @@ __metadata:
   languageName: node
   linkType: hard
 
-"@mdx-js/mdx@npm:^3.0.1":
+"@mdx-js/mdx@npm:^3.0.1, @mdx-js/mdx@npm:^3.1.0":
   version: 3.1.0
   resolution: "@mdx-js/mdx@npm:3.1.0"
   dependencies:
@@ -7196,8 +7196,10 @@ __metadata:
   version: 0.0.0-use.local
   resolution: "docs-utils@workspace:packages/docs-utils"
   dependencies:
+    "@mdx-js/mdx": ^3.1.0
     "@types/node": ^20.11.20
     remark-frontmatter: ^5.0.0
+    remark-mdx: ^3.1.0
     remark-parse: ^11.0.0
     remark-stringify: ^11.0.0
     rimraf: ^5.0.5
@@ -13297,6 +13299,16 @@ __metadata:
   languageName: node
   linkType: hard
 
+"remark-mdx@npm:^3.1.0":
+  version: 3.1.0
+  resolution: "remark-mdx@npm:3.1.0"
+  dependencies:
+    mdast-util-mdx: ^3.0.0
+    micromark-extension-mdxjs: ^3.0.0
+  checksum: 247800fa8561624bdca5776457c5965d99e5e60080e80262c600fe12ddd573862e029e39349e1e36e4c3bf79c8e571ecf4d3d2d8c13485b758391fb500e24a1a
+  languageName: node
+  linkType: hard
+
 "remark-parse@npm:^10.0.0, remark-parse@npm:^10.0.2":
   version: 10.0.2
   resolution: "remark-parse@npm:10.0.2"