Mod: Update README.md.
Squashed 'modules/dev/devel/' content from commit dcf7727

git-subtree-dir: modules/dev/devel
git-subtree-split: dcf77278a96b1275cae5866970048f54c19f34ff
Merge commit '9255f0609abe09a179dc25dc8742a823e605a977' as 'modules/dev/devel'