[FEAT] Add parameter for ready phase duration

[SGSSGene]

This adds a cli parameter ("-r" or "--readytimeduration") to override the default league ready phase
duration.

[ghost]

Could you give a short explanation what your usecase is for this? Do you want to make it shorter, or longer?

[medrimonia]

I would be quite interested in this feature, this can speed the automated test significantly.

[SGSSGene]

Could you give a short explanation what your usecase is for this? Do you want to make it shorter, or longer?

I am using it to make it a lot shorter. This is very helpful for debugging.