feat: show cursor while moving it

fix: cursor position

feat: don't blink the cursor while typing

feat: add arrow up/down movements

feat: add local storage

feat: add history command

feat: add Ctrl+L shortcut

feat: tab autocomplete

fix: accessibility and seo

feat: echo command

feat: add GH pages npm package

feat: add screenshot

feat: add more commands

feat: add commands.ts

feat: add scrolling to bottom