The default mappings are all prefixed with
<Leader>. For example,
<Leader>zax aligns all folds at level x, and
<Leader>ze deletes the current foldmarker.
vim-c-cr (GitHub: jtmkrueger / vim-c-cr) by John Krueger remaps
CTRL-C to add new behaviour for working with brackets. Positioning the cursor over
( and hitting
CTRL-Enter will cause Vim to insert two new lines, with the corresponding closing bracket on the second line.