feat(integration): add image variants section and standardize code snippets

web/src/lib/apiReference.ts

@@ -1,5 +1,7 @@
 import type { HttpMethod } from '@/data/apiCatalogue'
 
+export const SECTION_TITLE = 'text-[1.125rem]/6.5 font-semibold text-highlighted'
+
 const CHIP_BASE = 'h-5 gap-1 rounded-none px-1.5 py-0 text-xs whitespace-nowrap ring-0 border'
 
 export const CHIP_CLASS = {