Add new templates and tests for improved functionality

- Created index.html template for the homepage with service cards and partner logos.
- Added page_from_md.html template for rendering pages from markdown.
- Developed services.html template detailing various services offered.
- Implemented tests for link handling in markdown, ensuring external links open in new tabs and internal links function correctly.
- Enhanced markdown parser tests to validate heading extraction, content rendering, and link safety.
- Introduced utility tests for template rendering, HTML minification, and JavaScript minification.

Co-authored-by: Copilot <copilot@github.com>

html/js/contact.js

@@ -0,0 +1 @@
+document.getElementById('contact-form').addEventListener('submit', function(event) { event.preventDefault(); const formData = new FormData(event.target); fetch(event.target.action, { method: event.target.method, body: formData, }) .then(response => { if (!response.ok) { throw new Error('Network response was not ok'); } return response.json(); }) .then(data => { console.log('Success:', data); }) .catch((error) => { console.error('Error:', error); }); });