Move TextMate bundle into folder, to be able to accommodate other editors in this repository as well

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Also move the original license file

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Added a README.md and a general License file

Signed-off-by: Stefan Marr <git@stefan-marr.de>
Added som.vim, SOM syntax highlighting for VIM

Signed-off-by: Stefan Marr <git@stefan-marr.de>