fix typo

for context: the indices in `reduce()` start from 1 because
`initialValue` is provided (set to `""`)

Author: zefir-git

src/DocumentComponent.ts

@@ -30,7 +30,7 @@ export class DocumentComponent extends NodeComponent<DocumentFragment> {
      */
     public static tag(strings: TemplateStringsArray, ...components: NodeComponent<any>[]): DocumentComponent {
         const idPrefix = "tag-" + crypto.randomUUID() + "-";
-        const doc = new DocumentComponent(strings.reduce((acc, str, index) => acc += `${str}${index < components.length ? `<slot name="${idPrefix}${index + 1}"></slot>` : ""}`, ""));
+        const doc = new DocumentComponent(strings.reduce((acc, str, index) => acc += `${str}${index < components.length ? `<slot name="${idPrefix}${index - 1}"></slot>` : ""}`, ""));
         for (const [index, component] of components.entries())
             component.slot(idPrefix + index, doc.node);
         return doc;