[EXTRACT] initial commit of extracted repo
Add 'stock_picking_wave/' from commit 'a6a036c623da44f7ada7d614fda7a502baa22d2f'

git-subtree-dir: stock_picking_wave
git-subtree-mainline: a5f392fb3f00f84b5b5df0d92603e91cbd72a1bb
git-subtree-split: a6a036c623da44f7ada7d614fda7a502baa22d2f