Add score managment system #61

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mryamz wants to merge 4 commits intomadfish-solutions:masterfrom

mryamz:add-score-managment-system

Commits on Nov 20, 2021

added types, dispatcher, and methods
mryamz
committed

Commits on Nov 21, 2021

Commits on Nov 22, 2021

added selling logic
mryamz
committed