feat: add stacked public notes

src/modules/atproto/withATProtoImages.ts

@@ -0,0 +1,13 @@
+export const withATProtoImages = (
+  markdown: string,
+  { endpoint, did }: { endpoint: string; did: string },
+): string => {
+  const imageLinkPattern = /!\[([^\]]*)\]\((bafkrei[a-z0-9]+)\)/g
+
+  return markdown.replace(imageLinkPattern, (_, altText, cid) => {
+    const imageUrl = new URL("/xrpc/com.atproto.sync.getBlob", endpoint)
+    imageUrl.searchParams.set("did", did)
+    imageUrl.searchParams.set("cid", cid)
+    return `![${altText}](${imageUrl.toString()})`
+  })
+}