Update Contacts page to mention silent payments, bolt-12, big-353 human readable addresses

[yashrajd]

Describe your content request

Update content and designs on this page to incorporate silent payments, bolt-12, big-353 human readable addresses.

Link to the page https://bitcoin.design/guide/daily-spending-wallet/contacts/

Why would you like to change the content? This page is more relevant than ever given recent developments mentioned above. The requested updates will make this useful page absolutely essential for Contacts-based payment apps.

Suggestions see above

Additional context

silent payments, bolt-12, big-353 human readable addresses all introduce reusable payment info, which is ideal for Contacts.

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[yashrajd]

• [x] Add TOC (edit: it's already there but below the intro for some reason, needs to be moved up)
• [ ] Provide guidance for choosing payment method for a given contact (#1036)
• [x] Consider putting user verification (like PIN entry) in a box for easy visibility
• [ ] update mockups to show newer payment types
• [ ] updates to payment request formats page

[yashrajd]

Additionally, the payment request formats page should also be updated with newer stuff in conjunction with this page.

[yashrajd]

Now wondering if #1036 should be kept outside the scope of this one in order to get things out faster... cc @GBKS

[GBKS]

I'd split this up into small bits. Each of those checks up there can be one task/PR, maybe even split up further. It's much easier that way to get things done and out.

[swedishfrenchpress]

I think the UI screenshots on contacting editing (https://bitcoin.design/guide/daily-spending-wallet/contacts/#contact-editing) lay down a pretty good best practice for how you could add multiple payment methods to the same contact. Then you could just pick the address / method.