Taler URIs (spread + QR)

pay-template-orbit-sticker: taler://pay-template/taler.hacktivism.ch/instances/goa-shop/orbit-sticker
- QR: outbox/taler/qr/pay-template-orbit-sticker.png
pay-template-voidwave-playlist: taler://pay-template/taler.hacktivism.ch/instances/goa-shop/voidwave-playlist
- QR: outbox/taler/qr/pay-template-voidwave-playlist.png
shop-https: https://taler.hacktivism.ch/
- QR: outbox/taler/qr/shop-https.png
bank-intro: https://bank.hacktivism.ch/intro/
- QR: outbox/taler/qr/bank-intro.png