chore: add tunnel + qrcode script

[hi-ogawa]

A fun attempt to make use of cloudflared with qrcode generation similar to

• https://github.com/unjs/listhen
• https://github.com/unjs/untun

Also dog fooding

• https://github.com/hi-ogawa/qrcode-rust-wasm-bindgen/pull/1

screenshot


[hi-ogawa]

Well, practically just opening the page and chromium's QR code works fine...

So, I guess such script doesn't really help much