Add a js-libp2p tag?

[achingbrain]

There is a js-ipfs tag but no js-libp2p tag

[2color]

Adding a tag is just a matter of adding it to the frontmatter in the markdown.

ipfs-blog/src/_blog/practical-explainer-ipfs-gateways-part-2.md

Lines 9 to 13 in 2196da9

	tags:
	- gateways
	- debugging
	- DHT
	- content routing

@achingbrain Are there any particular blog posts you want to add it to?