message: don't restrict frontmatter to only md files in the archetypes
diff: @@ -69,7 +69,6 @@ async function saveArchetype(archetype: Archetype) {
  );
  }
  - if (path.endsWith(".md")) {
  const { content: body, ...frontmatter } = content;
  return await saveFile(
  @@ -77,7 +76,6 @@ async function saveArchetype(archetype: Archetype) {
  `---\n${stringify(frontmatter)}---\n${body}`,
  );
  }
  -}
  async function saveFile(path: string, content: string | Uint8Array) {
  await ensureDir(dirname(path));
  