Update README.md

refactor how settingsoptions are configured to simplify message passing

refactor how gui messages are sent and handled

move ik initialization to vrm_puppet, change func signature for updating runner

refactor SettingsOption gui element, start implementing model position adjustments

fix some warnings in GLBPuppet, refactor how gui works to use elm-style message passing, start implementing scene popup

reimplement runner sorting, disable warning for int as enum, fix other warnings

move tracker start data and logic to context

move sort button on home screen to align center

add placeholder on home screen if no user data is found to indicate that the user should try importing a model

reimplement mediapipe tracking data applier, update export presets

add common options resource, add logic for debug check toggling, refactor how buttons are registered with guis, start implementing scene popup

move gui dir into screens dir

move preloads to consts in default gui

add chromakey green background, still need to add transparent background