Update theme.json with new block support added in WordPress 6.7

[ashleyshaw]

Update theme.json with New Block Support Added in WordPress 6.7

Objective: Enhance the LSX Design theme by updating the theme.json file to include the latest block support features introduced in WordPress 6.7.

Tasks:

1. Group Block (core/group)

   • Add support for shadow styling.

2. Column Block (core/column)

   • Enable border-radius support for improved design flexibility.

3. Quote Block (core/quote)

   • Add support for borders, spacing, background images, and minimum height.

4. Post Content Block (core/post-content)

   • Add background image and padding support for enhanced visual control.

References:

• Border Support for 25 More Blocks

Acceptance Criteria:

• theme.json is updated with the new block support features.
• Changes are tested for compatibility across different screen sizes and devices.