v0.6.0 — Email Newsletters & Testing

- Newsletter Email Rendering: Re-designed email layouts that include your publication's brand, with support for all editor block types - Image Transformations: Cloudflare-powered image optimization for emails so newsletters load fast in every inbox - Analytics Improvements: New impressions stat card and trending indicators on the analytics dashboard - AT Protocol Sync Foundation: Refactor backend scaffolding for syncing documents, publications, and subscriptions to AT Protocol remotes