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_scripts/fe/css/enhanced.css

@@ -0,0 +1,146 @@
+/* EasyStream Enhanced Styles */
+.video-grid {
+    display: grid;
+    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
+    gap: 20px;
+    padding: 20px;
+}
+
+.video-item {
+    background: #fff;
+    border-radius: 8px;
+    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
+    overflow: hidden;
+    transition: transform 0.2s;
+}
+
+.video-item:hover {
+    transform: translateY(-2px);
+}
+
+.video-thumb {
+    position: relative;
+    width: 100%;
+    height: 180px;
+    overflow: hidden;
+}
+
+.video-thumb img {
+    width: 100%;
+    height: 100%;
+    object-fit: cover;
+}
+
+.duration {
+    position: absolute;
+    bottom: 8px;
+    right: 8px;
+    background: rgba(0,0,0,0.8);
+    color: white;
+    padding: 2px 6px;
+    border-radius: 4px;
+    font-size: 12px;
+}
+
+.video-info {
+    padding: 15px;
+}
+
+.video-info h3 {
+    margin: 0 0 8px 0;
+    font-size: 16px;
+    line-height: 1.3;
+}
+
+.video-info h3 a {
+    color: #333;
+    text-decoration: none;
+}
+
+.video-info h3 a:hover {
+    color: #007bff;
+}
+
+.video-meta {
+    color: #666;
+    font-size: 14px;
+}
+
+.upload-container {
+    max-width: 600px;
+    margin: 0 auto;
+    padding: 20px;
+}
+
+.form-group {
+    margin-bottom: 20px;
+}
+
+.form-group label {
+    display: block;
+    margin-bottom: 5px;
+    font-weight: bold;
+}
+
+.form-group input,
+.form-group textarea,
+.form-group select {
+    width: 100%;
+    padding: 10px;
+    border: 1px solid #ddd;
+    border-radius: 4px;
+    font-size: 14px;
+}
+
+.btn-upload {
+    background: #007bff;
+    color: white;
+    padding: 12px 24px;
+    border: none;
+    border-radius: 4px;
+    cursor: pointer;
+    font-size: 16px;
+}
+
+.btn-upload:hover {
+    background: #0056b3;
+}
+
+.main-nav ul {
+    list-style: none;
+    padding: 0;
+    margin: 0;
+    display: flex;
+    background: #333;
+}
+
+.main-nav li {
+    margin: 0;
+}
+
+.main-nav a {
+    display: block;
+    padding: 15px 20px;
+    color: white;
+    text-decoration: none;
+    transition: background 0.2s;
+}
+
+.main-nav a:hover {
+    background: #555;
+}
+
+.progress-bar {
+    width: 100%;
+    height: 20px;
+    background: #f0f0f0;
+    border-radius: 10px;
+    overflow: hidden;
+}
+
+.progress-fill {
+    height: 100%;
+    background: #007bff;
+    width: 0%;
+    transition: width 0.3s;
+}