flag to allow ofm replace in html embed

package.json

@@ -40,12 +40,14 @@
     "github-slugger": "^2.0.0",
     "globby": "^13.1.4",
     "gray-matter": "^4.0.3",
+    "hast-util-to-html": "^8.0.4",
     "hast-util-to-jsx-runtime": "^1.2.0",
     "hast-util-to-string": "^2.0.0",
     "is-absolute-url": "^4.0.1",
     "js-yaml": "^4.1.0",
     "lightningcss": "^1.21.5",
     "mdast-util-find-and-replace": "^2.2.2",
+    "mdast-util-to-hast": "^12.3.0",
     "mdast-util-to-string": "^3.2.0",
     "micromorph": "^0.4.5",
     "plausible-tracker": "^0.3.8",