New package console

[dodokpeter]

This package will have all classes connected to console displaying

[dodokpeter]

Methods: display (message), input()

[andamundale]

update all tests (and check other classes) to use console package

[LucciaChia]

I have problems with System.console() - it returns null for me. Please run Main class and try reproduce this. According to next article it might be impossible to use console(). https://intellij-support.jetbrains.com/hc/en-us/community/posts/206852195-Unable-to-use-java-groovy-console-while-debugging

I've also found multiple suggestions on the internet recomend to avoid using console()

[dodokpeter]

I have problems with System.console() - it returns null for me. Please run Main class and try reproduce this. According to next article it might be impossible to use console(). https://intellij-support.jetbrains.com/hc/en-us/community/posts/206852195-Unable-to-use-java-groovy-console-while-debugging

I've also found multiple suggestions on the internet recomend to avoid using console()

First test if console != null. if it is not, just use good old method from System.out.

[LucciaChia]

Incorrectly pushed also Main class here. It should've been pushed into #38

[andamundale]

https://github.com/LucciaChia/sudoku-with-tests/commit/2d903221fe606c0314926f14e713abf584f63675#r33599645