[Feature] Add `scm` as an acceptable value for `--language`
[Feature] Add `scm` as an acceptable value for `--language`

This is a simple convenience for using lice in conjunction with
software written in Scheme.  The output uses the same style of
comments produced by `--language lisp`.

Signed-off-by: Eric James Michael Ritz <3d928645612786af07f011fdfbce45f81efe5a40@plutono.com>

licenses/lice,pombredanne/lice,ejmr/lice