Updated field applying

Updated body parts which traits are applied to

Added `atomic_flamethrower`

Best with realtime progression!

Added `BLINDNESS` trait

Updated README.md

params save/load fix

Changed MOD variable (which was previously set local) with another one.

Updated `trained amount` in `athletics` skill

First implementation

Added `dda-lua`, `dda-lua-skills` and `dda-lua-traits`.