Add .gitignore to project

Copy Vim template from: https://github.com/github/gitignore/blob/master/Global/vim.gitignore
Add rough README
Ugly commit. Lots of work after a year of neglect.

Moved 'cubescript.vim' into the proper 'syntax' directory
Large amount of work and a very roughly working "alpha" syntax file.
Still needs plenty of work, tweaking and tuning.