Update Astro configuration to switch from Netlify to Node adapter and update dependencies

- Replace Netlify adapter with Node adapter in astro.config.ts for standalone mode.
- Update package.json to reflect the new dependency on @astrojs/node.
- Modify package-lock.json to include updated versions of dependencies and remove Netlify-specific configurations from the contact form.

src/components/ui/Form.astro

@@ -20,8 +20,6 @@ const { inputs, textarea, disclaimer, button = 'Contact us', description = '' }
   name="contact"
   method="POST"
   class="needs-validation"
-  data-netlify="true"
-  data-netlify-honeypot="bot-field"
   novalidate
 >
   <!-- Form status messages -->
@@ -33,9 +31,6 @@ const { inputs, textarea, disclaimer, button = 'Contact us', description = '' }
     There was an error sending your message. Please check all fields and try again.
   </div>
 
-  <!-- Netlify form name -->
-  <input type="hidden" name="form-name" value="contact" />
-
   <!-- CSRF token field (will be filled by JS) -->
   <input type="hidden" name="csrf_token" id="csrf_token" value="" />