Courtesy of Alexey Kolosov

Signed-off-by: Jan Keromnes <janx@linux.com>

So that I can put other doc-related stuff there without polluting the
root dir.

Most of the basic stuff is working, some harder stuff like recursive
macro declarations or shell expansion isn't yet supported. Note that the
spec mode would benefit from a bash mode, as RPM spec files include
shell scripts.

Courtesy of sourceLair