fix: double printing issue

fix: ui improvements

fix: ui improvements

fix: indentation

fix: indentation issue

feat: update experience for adding items

feat: Improve invoice printing for A4 page size

fix: overflowing form

fix: style

fix: style

add: tailwindcss

add: proper roundoff

add: new styles

chore: basic linting

fix: use context media feature range notation in style.css

add: serial number and linters