Added alternative Polish keyboard layout

[Atrate]

The Polish special characters appear very often in various words, so it would be desirable to have an alternative layout to facilitate a faster and less mistake-prone way of typing them (with the current layout mistakes happen damn often).

[menny]

you should not use this branch. Please make your changes on the master branch. You'll need to first migrate Polish to master. Maybe @martholomew can help?

[Atrate]

Damn, I had hoped I could avoid migrating the whole as I don't have any experience in developing android apps from scratch, just modifying them

[martholomew]

I can migrate this for you no problem @MegaArthur , I'll close this and make a new one. Thanks for the layout!