* chore: move env into src for better build
* chore: removed unused things from webviews
* feat: a better "defaults" - material-theme.config.json
* chore: fix paths for scripts
* feat: new folder "core" with managers
* chore: cleanup all useless things
* chore: update messages to be messages
* refactor: new setAccent command and better material.theme.config entry
* feat(Icons removal): Removed all related icons commands and files
* chore: fix (remove) all gulp related imports and task for icons
* chore: removed extensions folder and switch all imports (+ small fixes)
* chore: re-added defaults.json on root
* feat(Icons removal): Added vsc-material-theme-icons dependency
