Basic firing

Basic firing with 1234567890 digits.
So far only 1 works, easy to duplicate/factorize to get 10 keyboard
shortcuts.
Shoots a fireball that lasts for a configurable duration.
Same
Revert "Same"

This reverts commit d84fcb5869ba1f0608f07cc22662e107818f70dc.
Again

Again
Update .gitignore file
Come on
One more time