Add a new blog post linked to an author and tags

In order to make the DAG (Directed Acyclic Graph) a bit more interesting, we will add a new blog post. It follows the same structure as the existing ones.

Try it!

Create a new blog post which is authored by Sam, has content about dogs, and is tagged as funny and hobby. Return the CID of that new blog post.

/* globals ipfs */
 
const run = async () => {
  const natCid = await ipfs.dag.put({ author: "Nat" })
  const samCid = await ipfs.dag.put({ author: "Sam" })
  const treePostCid = await ipfs.dag.put({
    content: "trees",
    author: samCid,
    tags: ["outdoor", "hobby"]
  })
  const computerPostCid = await ipfs.dag.put({
    content: "computers",
    author: natCid,
    tags: ["hobby"]
  })
 
  // Add your code here
 
  const outdoorTagCid = await ipfs.dag.put({
    tag: "outdoor",
    posts: [treePostCid]
  })
  const hobbyTagCid = await ipfs.dag.put({
    tag: "hobby",

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