add stuff
Squashed 'emacs/emacs.d.symlink/vendor/smartparens/' content from commit e011f71

git-subtree-dir: emacs/emacs.d.symlink/vendor/smartparens
git-subtree-split: e011f717500f233d5d25e83ea601d2fd27f8ec45
Merge commit 'e7c0212f74f2c4a1c707ef49fafcedabcfe57fc3' as 'emacs/emacs.d.symlink/vendor/smartparens'
add and configure smartparens