WIP: Update host-content for clarification
WIP: Update host-content for clarification

I corrected a typo and added a paragraph about the similarity to torrents, since people are likely to be familiar with them.

Can someone elaborate on the second paragraph about receiving LBC for hosting? It's not very clear as it is right now.
lbryio/lbry.io,lbryio/lbry.io,lbryio/lbry.io,lbryio/lbry.io