vim folding cheatsheet

via (https://www.linux.com/learn/tutorials/442438-vim-tips-folding-fun) zf#j creates a fold from the cursor down # lines.zf/string creates a fold from the cursor to string .zj moves the cursor to the next fold.zk moves the cursor to the previous fold.zo opens a fold at the cursor.zO opens all folds at the cursor.zm increases the foldlevel by one.zM closes all open folds.zr decreases the foldlevel by one.zR decreases the foldlevel to zero -- all folds will be open.zd deletes the fold at the cursor.zE deletes all folds.[z move to start of open fold.]z move to end of open fold.