added check for existing player with given current name

Updated changelog and version

Removed notfully implemented print to

todo fix

Added rename player functionality

Added PlayerDeckStats update logic to `game add`

fixed typo

Added instructions to install the precompiled binary from Github

fixed rankings and total games tracking

Added transactions

Fixed rank count columns updates for Players table

Updated version and changelog

Little bit of refactoring

fix

Removed `time` from Makefile because it was causing syntax issues