feat(config, layout, components): enhance security headers, improve SEO, and update project descriptions

- Added security headers in the Next.js configuration to enhance application security.
- Updated metadata in the layout component for improved SEO, including new titles, descriptions, and keywords.
- Introduced JSON-LD schema for projects to enhance search engine visibility.
- Enhanced project descriptions in the portfolio data for clarity and detail.
- Improved header component with logo integration and refined social media links for better accessibility.

app/opengraph-image.tsx

@@ -0,0 +1,51 @@
+import { ImageResponse } from 'next/og'
+
+export const runtime = 'edge'
+export const alt = 'Evandro Fonseca Junior - Full Stack Developer'
+export const size = {
+  width: 1200,
+  height: 630,
+}
+export const contentType = 'image/png'
+
+export default async function Image() {
+  return new ImageResponse(
+    (
+      <div
+        style={{
+          background: '#030712',
+          width: '100%',
+          height: '100%',
+          display: 'flex',
+          flexDirection: 'column',
+          alignItems: 'center',
+          justifyContent: 'center',
+          color: 'white',
+          fontFamily: 'system-ui',
+        }}
+      >
+        <div
+          style={{
+            fontSize: 64,
+            fontWeight: 'bold',
+            marginBottom: 20,
+            textAlign: 'center',
+          }}
+        >
+          Evandro Fonseca Junior
+        </div>
+        <div
+          style={{
+            fontSize: 32,
+            color: '#3b82f6',
+            marginTop: 10,
+            textAlign: 'center',
+          }}
+        >
+          Desenvolvedor Full-Stack
+        </div>
+      </div>
+    ),
+    { ...size }
+  )
+}