various cleanups

[asingularity]

this is not ready to merge; just opening for reference for now

[asingularity]

TODO:

• ask Brian if can use hackerpet-plus-dev again
• test compiling having moved logHandler declaration to main
• uncomment and refactor: Serial.println debugging statements -> Log.trace("This is trace message");
• readme
• webpage compiling instructions
• finish cleanup of config manager
• cleanup of game manager
• cleanup of games files
• merge freeze debug branch
• merge this branch
• publish library to prod