feat: integrate schema.org support and enhance component structure

- Added schema.org support by introducing `schema-dts` for structured data in components.
- Updated `Head`, `BaseLayout`, and various page components to accept and utilize schema props for better SEO.
- Created new utility schemas for blog posts and website to standardize structured data implementation.
- Enhanced the `SocialLinks` section by utilizing dedicated icon components for improved maintainability.
- Refactored the `Header` component to improve accessibility and structure.
- Introduced new icons for social links and integrated them into the layout.

src/components/Header.astro

@@ -1,7 +1,6 @@
 <style lang="scss">
 	a {
 		margin-right: 1.5rem;
-		text-decoration: none;
 
 		&:last-child {
 			margin-right: 0;
@@ -10,6 +9,8 @@
 </style>
 
 <header>
-	<a href="/" lang="en" aria-label="Home">Home</a>
-	<a href="/blog/" lang="en" aria-label="Blog">Blog</a>
+	<nav aria-label="Navigation">
+		<a href="/" lang="en" aria-label="Home">Home</a>
+		<a href="/blog/" lang="en" aria-label="Blog">Blog</a>
+	</nav>
 </header>