feat(web): setup blocks

[lordelogos]

Component / Package Name:

apps/web - Blocks System

This PR contains:

• bugfix
• feature
• refactor
• documentation
• other

Are tests included?

• yes (bugfixes and features will not be merged without tests)
• no

Breaking Changes?

• yes (breaking changes will not be merged unless absolutely necessary)
• no

List any relevant issue numbers:

Description

Adds a new Blocks system to the jsx-email documentation site - a collection of ready-to-use email blocks that users can copy and paste into their templates.

New Features:

• /blocks index page with categorized block listings
• Live preview system with BlockPreview component for viewing blocks at different sizes
• PatternCard component for block navigation

Block Categories Added:

Category	Blocks	Count
Layout	Gallery, Articles	6 blocks
User Feedback	Surveys, Feedback, Testimonials	7 blocks
Marketing	Marketing, Ecommerce Pricing	5 blocks
General	Avatars	4 blocks

22 total blocks across 8 block types:

• Avatars - Avatar stacks, groups, and layouts
• Articles - Article cards and list layouts
• Ecommerce Pricing - Pricing tables and product cards
• Feedback - Emoji reactions, rating systems
• Gallery - Image grid layouts
• Marketing - Hero sections, CTAs, promotional blocks
• Surveys - NPS scores, rating scales, feedback forms
• Testimonials - Quote blocks, customer reviews