feat: enhance blog post schema and structure

- Added description and lang parameters to the blogPostSchema for improved structured data.
- Updated the blog post layout to include a header section for better semantic structure and accessibility.

src/utils/schemas/blogPostSchema.ts

@@ -3,19 +3,28 @@ import type { WithContext, BlogPosting } from "schema-dts";
 export type BlogPostSchemaParams = {
 	readonly siteUrl: string;
 	readonly title: string;
+	readonly description: string;
 	readonly slug: string;
 	readonly datePublished: string;
 	readonly author: string;
+	readonly lang: string;
 };
 
-export default ({ siteUrl, title, slug, datePublished, author }: BlogPostSchemaParams): WithContext<BlogPosting> => ({
+export default ({ siteUrl, title, description, slug, datePublished, author, lang }: BlogPostSchemaParams): WithContext<BlogPosting> => ({
 	"@context": "https://schema.org",
 	"@type": "BlogPosting",
 	"url": new URL(`/blog/${slug}`, siteUrl).toString(),
 	"headline": title,
+	"description": description,
 	"datePublished": datePublished,
+	"dateModified": datePublished,
+	"inLanguage": lang,
 	"author": {
 		"@type": "Person",
 		"name": author,
 	},
+	"mainEntityOfPage": {
+		"@type": "WebPage",
+		"@id": new URL(`/blog/${slug}`, siteUrl).toString(),
+	},
 });