Add privacy policy modal and enhance project details

- Introduce PolicyModal component for license and privacy policy display
- Add Quick Start section to project detail pages
- Update project descriptions, features, and URLs for several projects
- Add new logos, screenshots, and favicon
- Extend types and configuration for new features

src/pages/ProjectDetailPage.tsx

@@ -110,6 +110,21 @@ export default function ProjectDetailPage() {
             <p className="detail-prose">{bi(p.description)}</p>
           </div>
 
+          {/* Quick Start */}
+          {p.quickStart && p.quickStart[lang] && p.quickStart[lang].length > 0 && (
+            <div className="detail-section">
+              <h2 className="detail-section-title">{t('detail.quickStart')}</h2>
+              <div className="quickstart-commands">
+                {p.quickStart[lang].map((cmd, i) => (
+                  <div key={i} className="quickstart-line">
+                    <span className="quickstart-prompt">$</span>
+                    <code className="quickstart-cmd">{cmd}</code>
+                  </div>
+                ))}
+              </div>
+            </div>
+          )}
+
           {/* Features */}
           <div className="detail-section">
             <h2 className="detail-section-title">{t('detail.features')}</h2>