Merge pull request #136 from lazarchitect/129-react-refactoring

#129 bring showPastGames into useState approach, simplify code and avoid invisible elements

make signup password warnings inline

use specific input type for browser-based email validation in signup field

#129 make function name clearer

#129 clean up weird CSS code from ages ago

#129 re-imagining the home script code, cleaning up a few vars, and moving all scripts into dedicated subfolders

#134 add gameNotFound display page for invalid gameIDs

#130 adding preferences for SiteHeader into all payloads

minor annoying cleanup

Merge branch 'main' of https://github.com/lazarchitect/FlaskReactor

set up Docker configs for more efficient runs, fix webhook auth, resolve issue with psycopg library

clean up visual weirdness with chessboard, props destructuring, add TODO for home_script

Merge pull request #133 from lazarchitect/130-manualCreate-to-constructor

#130 use Python constructors instead of manualCreate functions - cleaning up object and DB record creation, streamlining logic