Update configuration and content for improved SEO and user experience

- Enhanced sitemap configuration to limit entries and ensure a single sitemap generation.
- Updated robots.txt to reflect the new sitemap URL.
- Revised metadata descriptions and titles across multiple pages for better SEO alignment.
- Obfuscated email address in the footer for improved privacy.
- Adjusted content in various pages to better reflect services offered and enhance clarity.

astro.config.ts

@@ -41,7 +41,9 @@ export default defineConfig({
     tailwind({
       applyBaseStyles: false,
     }),
-    sitemap(),
+    sitemap({
+      entryLimit: 50000, // Ensure only one sitemap is generated
+    }),
     mdx(),
     icon({
       include: {