[Feature Request]: Incorporate a customizable header

[rescoldo]

Description

Incorporate a customizable header, just like Notion does, with some predefined templates, the possibility of uploading my own image or selecting one from a free image bank like Unsplash.

Use case

Improves page customization capabilities and gives documents a professional look.

Anything else?

No response

Are you willing to submit a PR?

• Yes I'd like to help by submitting a PR!

[affine-issue-bot]

Issue Status: 🆕 *Untriaged

*🆕 Untriaged

The team has not yet reviewed the issue. We usually do it within one business day.
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