Change prose image width from fixed to max-width

Replace w-full (width: 100%) with max-w-full (max-width: 100%) on
images inside .prose paragraphs so images retain their intrinsic
size when smaller than the container.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: simonhamp

package-lock.json

@@ -275,7 +275,7 @@ nav.docs-navigation li:has(.third-tier .exact-active) > .subsection-header {
 }
 
 .prose p:has(img) img {
-    @apply inline-block w-full rounded-none shadow-none;
+    @apply inline-block max-w-full rounded-none shadow-none;
 }
 
 /*