chore: Updated changelog and version number in qr.html

fix: Limit max width in vertical layout to prevent bottom of QR code being cut off

fix: Account for height of settings box

feat: Added "Copy as PNG" option to on click action

feat: Added `sms:` protocol to initial text

fix(UI): Keep old layout with word wrap instead of scorll baron desktop devices

Added horizontal scroll in the header to prevent viewport overflow on mobile. Changed the height css from 100vh to 100dvh to prevent clipping of the QR code on mobile.

Added settings for colors and scale to the settings panel

Added a GUI for ECC level and download format options. Clipboard monitoring button is badly broken

Added qr-zip.html

Added PNG download option and made it the default

Added download instructions to initial text (usage guide)

Download QR code shen clicking on the image

Reworked intro text

Change index page from overview to default QR code generator