feat(editor): support footnote adapter (#9844)

[BS-2373](https://linear.app/affine-design/issue/BS-2373/适配-footnote-adapter)

blocksuite/affine/block-note/package.json

@@ -27,6 +27,7 @@
     "@lit/context": "^1.1.2",
     "@preact/signals-core": "^1.8.0",
     "@toeverything/theme": "^1.1.7",
+    "@types/mdast": "^4.0.4",
     "lit": "^3.2.0",
     "minimatch": "^10.0.1",
     "zod": "^3.23.8"