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/index.html

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+<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8" /><meta http-equiv="X-UA-Compatible" content="IE=EDGE" /><meta name="viewport" content="width=device-width, initial-scale=1.0" /><meta name="description" content="AllYouCanGET is an expert IT & Management Consulting firm helping businesses transform their operations and drive growth through technology and strategy solutions." /><meta name="keywords" content="IT consulting services, Management consulting solutions, Digital transformation, Strategic technology solutions, IT strategy and planning, Technology assessment, Enterprise architecture consulting, Cybersecurity services, Infrastructure services, Cloud solutions, Network design and implementation, System integration, Security implementation, Streamline operations, Optimize business performance, Process optimization, Change management, Strategy development, Financial analysis, Business growth acceleration, Operations consulting, Expert consulting team, Business innovation, AllYouCanGET consulting" /><meta name="robots" content="index, follow" /><link rel="canonical" href="https://allucanget.biz/index.html" /><meta name="theme-color" content="#111827" /><meta property="og:type" content="website" /><meta property="og:url" content="https://allucanget.biz/index.html" /><meta property="og:title" content="AllYouCanGET - IT & Management Consulting" /><meta property="og:description" content="Transform your business with expert IT and Management consulting. We streamline operations, optimize performance, and drive innovation." /><meta property="og:image" content="https://allucanget.biz/img/cropped-Logo-AllYouCanGet-512x512-1-180x180.png" /><meta property="og:site_name" content="AllYouCanGET" /><meta name="twitter:card" content="summary_large_image" /><meta name="twitter:url" content="https://allucanget.biz/index.html" /><meta name="twitter:title" content="AllYouCanGET - IT & Management Consulting" /><meta name="twitter:description" content="AllYouCanGET is an expert IT & Management Consulting firm helping businesses transform their operations and drive growth through technology and strategy solutions." /><meta name="twitter:image" content="https://allucanget.biz/img/cropped-Logo-AllYouCanGet-512x512-1-180x180.png" /><link rel="stylesheet" href="css/styles.css" /><link rel="icon" href="img/cropped-Logo-AllYouCanGet-512x512-1-180x180.png" type="image/x-icon" /><title>Transform Your Business</title></head><body><div id="header"><nav id="site-navigation"><div id="site-navigation-container"><div id="site-navigation-content"><div id="site-navigation-bar"><div id="site-navigation-brand"><a href="index.html" class="site-home-link"><img src="img/Logo-AllYouCanGet-204x100.png" alt="AllYouCanGET" class="nav-logo" /><span class="nav-text">AllYouCanGET</span></a></div><button class="hamburger-menu" aria-label="Toggle navigation"><span class="hamburger-line"></span><span class="hamburger-line"></span><span class="hamburger-line"></span></button><div class="nav-menu"><div id="site-nav-links"><a href="index.html" class="site-nav-link active" >Home</a ><a href="services.html" class="site-nav-link">Services</a><a href="webservices.html" class="site-nav-link">Web Services</a><a href="coaching.html" class="site-nav-link">Coaching</a><a href="imprint.html" class="site-nav-link">Imprint</a><a href="terms_and_conditions.html" class="site-nav-link">Terms</a></div></div></div></div></div></nav><div id="page-title"><h2 class="page-title-header">Transform Your Business</h2><h3 class="page-subtitle">with expert IT & Management Consulting</h3></div><div class="header-cta"><div class="header-cta-buttons"><button class="bigbutton"><a href="services.html"><span>See all Services</span><span>→</span></a></button><button class="bigbutton"><a href="#contact-form"><span>Contact Us</span><span>→</span></a></button></div></div></div><div id="main-content"><div id="main"><div id="hero"><div class="container"><h1>Streamline operations, optimize performance, and drive innovation with AllYouCanGET</h1></div></div><div class="section"><div class="section-container container"><h2><img src="img/it-consulting.svg" alt="IT Consulting"/> IT Consulting</h2><div class="section-content"><p>Strategic technology solutions to drive your digital transformation</p></div><div class="section-cards"><div class="section-card"><h3 class="section-card-title">✓ IT Strategy & Planning</h3><div class="section-content"><p>A strategic view on business goals helps to align technology roadmaps accordingly We develop comprehensive IT strategies that align with your business goals and drive digital transformation</p></div></div><div class="section-card"><h3 class="section-card-title">✓ Technology Assessment</h3><div class="section-content"><p>We evaluate existing IT infrastructure and identify improvement areas A thorough assessment of your current technology landscape to identify strengths, weaknesses, and opportunities for improvement</p></div></div><div class="secLine truncated