Rails & Derails Alpha 1 launch

Hi everyone,

Alpha one is out! It has taken me quite a while but everything should be working! So, here's the changelog:

-Added attaching

-Added generators, although they don't have fuel yet

-Added a starting structure

-Added main and pause menus

-Added graphics settings

-Reworked world generation

-Reworked physics interaction system

That's all for this update, I hope you enjoy it! Remember to give me all suggestions, and stay tuned for the next one!