added readme
added subtree source
removes source folder
Squashed 'source/' content from commit ff9e4e7

git-subtree-dir: source
git-subtree-split: ff9e4e76c20f1e595239f8a9c53cebcce64fd9e4
Merge commit '9a15054e2a1b2533eb6458af0cc759648428de3c' as 'source'
Merge commit 'ff9e4e76c20f1e595239f8a9c53cebcce64fd9e4'