feat: Add comprehensive documentation suite and reorganize project structure

- Created complete documentation in docs/ directory
- Added PROJECT_OVERVIEW.md with feature highlights and getting started guide
- Added ARCHITECTURE.md with system design and technical details
- Added SECURITY.md with comprehensive security implementation guide
- Added DEVELOPMENT.md with development workflows and best practices
- Added DEPLOYMENT.md with production deployment instructions
- Added API.md with complete REST API documentation
- Added CONTRIBUTING.md with contribution guidelines
- Added CHANGELOG.md with version history and migration notes
- Reorganized all documentation files into docs/ directory for better organization
- Updated README.md with proper documentation links and quick navigation
- Enhanced project structure with professional documentation standards

f_templates/tpl_homepage.tpl

@@ -0,0 +1,110 @@
+{assign var="page_title" value="Welcome to EasyStream"}
+
+<div class="homepage">
+    <!-- Hero Section -->
+    <section class="hero-section">
+        <div class="hero-content">
+            <h1>Welcome to EasyStream</h1>
+            <p>Discover, upload, and share amazing videos with the world</p>
+            {if !$is_logged_in}
+                <div class="hero-actions">
+                    <a href="/register" class="btn btn-primary">Get Started</a>
+                    <a href="/login" class="btn btn-secondary">Sign In</a>
+                </div>
+            {else}
+                <div class="hero-actions">
+                    <a href="/upload" class="btn btn-primary">Upload Video</a>
+                    <a href="/browse" class="btn btn-secondary">Browse Videos</a>
+                </div>
+            {/if}
+        </div>
+        <div class="hero-stats">
+            <div class="stat-item">
+                <span class="stat-number">{$stats.total_videos}</span>
+                <span class="stat-label">Videos</span>
+            </div>
+            <div class="stat-item">
+                <span class="stat-number">{$stats.total_views}</span>
+                <span class="stat-label">Views</span>
+            </div>
+            <div class="stat-item">
+                <span class="stat-number">{$stats.total_users}</span>
+                <span class="stat-label">Creators</span>
+            </div>
+        </div>
+    </section>
+
+    <!-- Featured Videos -->
+    {if $featured_videos}
+    <section class="featured-section">
+        <div class="section-header">
+            <h2>Featured Videos</h2>
+            <a href="/browse?featured=1" class="view-all">View All</a>
+        </div>
+        <div class="video-grid featured-grid">
+            {foreach from=$featured_videos item=video}
+                {$video_card}
+            {/foreach}
+        </div>
+    </section>
+    {/if}
+
+    <!-- Trending Videos -->
+    {if $trending_videos}
+    <section class="trending-section">
+        <div class="section-header">
+            <h2>🔥 Trending This Week</h2>
+            <a href="/browse?trending=1" class="view-all">View All</a>
+        </div>
+        <div class="video-grid">
+            {foreach from=$trending_videos item=video}
+                {$video_card}
+            {/foreach}
+        </div>
+    </section>
+    {/if}
+
+    <!-- Latest Videos -->
+    <section class="latest-section">
+        <div class="section-header">
+            <h2>Latest Uploads</h2>
+            <a href="/browse" class="view-all">View All</a>
+        </div>
+        <div class="video-grid">
+            {foreach from=$latest_videos item=video}
+                {$video_card}
+            {/foreach}
+        </div>
+    </section>
+
+    <!-- Categories -->
+    {if $categories}
+    <section class="categories-section">
+        <div class="section-header">
+            <h2>Browse by Category</h2>
+        </div>
+        <div class="categories-grid">
+            {foreach from=$categories item=category}
+                <a href="/browse?category={$category.ct_id}" class="category-card">
+                    <div class="category-icon">
+                        <i class="icon-{$category.ct_name|lower}"></i>
+                    </div>
+                    <h3>{$category.ct_name}</h3>
+                    <span class="video-count">{$category.video_count} videos</span>
+                </a>
+            {/foreach}
+        </div>
+    </section>
+    {/if}
+
+    <!-- Call to Action -->
+    {if !$is_logged_in}
+    <section class="cta-section">
+        <div class="cta-content">
+            <h2>Ready to Share Your Story?</h2>
+            <p>Join thousands of creators sharing their passion with the world</p>
+            <a href="/register" class="btn btn-primary btn-large">Start Creating Today</a>
+        </div>
+    </section>
+    {/if}
+</div>