feature: add button adding enrichment content blocks + pagination (shopify)

[fedhacks]

Description

• add a button "+ Add Content" to the right of the "Generate AI Description" button that pushes the current content block to the next position (creating a page)
• add subsequent pagination, following the same logic we used for the first Trieve block
• change the "Generate AI Description" button to say "Generate AI Content"
• change "Extra content" to say just "Content"

Target(s)

doc-search

Community channels

Matrix is preferred. Reach out on discord or Matrix for further assistance.

• discord
• matrix