Incorporate ResNetLab on Tour videos

[lidel]

We have a more up-to-date Course at https://research.protocol.ai/tutorials/resnetlab-on-tour/ Feels like a good resource that could augument existing docs + identify gaps (things which we dont have docs for)

Some ideas here we could use those videos:

• [ ] turn Videos section at https://docs.ipfs.io/concepts/ ot "Video course" with all of them?
• [ ] content addressing → https://docs.ipfs.io/concepts/content-addressing/
• [ ] content routing & content exchange → https://docs.ipfs.io/concepts/libp2p/
• [ ] mutable content → https://docs.ipfs.io/concepts/ipns/ & https://docs.ipfs.io/concepts/file-systems/#mutable-file-system-mfs
• [ ] libp2p → https://docs.ipfs.io/concepts/libp2p/
• [ ] IPLD → https://docs.ipfs.io/concepts/ipld/ :skull:

I'm happy to open PR if this sounds sensible – thoughts @johnnymatthews ?

[johnnymatthews]

Oh we should absolutely add these videos into the docs! Or at the very least, link to them. PRs welcome!