Squashed 'themes/hyde-x/' content from commit e84391e

git-subtree-dir: themes/hyde-x
git-subtree-split: e84391edb2878c469723af22ff751787ff6681d2
Merge commit '9d0f76b700f1443bed74b856b5657dbe16474dde' as 'themes/hyde-x'
import pgp, ssh keys and apache foaf file
import about.md
use yaml everywhere
amend about
ignore /public
import sync script
import dist files from poa
import talks and old posts
metadata update
add license for code and content