fix(preprocess-markdown): negate {@...} pattern via rehype plugin

Author: vnphanquang

.changeset/selfish-singers-act.md

@@ -0,0 +1,5 @@
+---
+'@svelte-put/preprocess-markdown': patch
+---
+
+rehype negate `{@...}` pattern

packages/preprocess-markdown/src/index.js

@@ -96,7 +96,7 @@ function rehypeNegateSvelteLogicBlock() {
 			if (!parent || !index) return;
 			const firstChild = node.children.at(0);
 			if (!firstChild) return;
-			if (firstChild.type === 'text' && firstChild.value.startsWith('{#')) {
+			if (firstChild.type === 'text' && ['{#', '{@'].some(t => firstChild.value.startsWith(t))) {
 				parent.children.splice(index, 1, ...node.children);
 			}
 		})