chore: update README

chore: update toolchain project

chore: add license

chore: add libraries to gitignore

chore: add debugging for vscode

fix: add more sleeps

chore: extend vcd file

chore: add show gtkwave task

chore: extends gitignore

chore: add tasks for build and simavr run

fix: use consts instead of pointers

fix: code

feat: initial commit