feat: add URL-to-PDF examples to examples page

- Add 'URL to PDF' nav link and example section
- Show basic and advanced cURL examples for /v1/convert/url
- Include security notes (JS disabled, private URLs blocked)
- Add test coverage for the new section

public/examples.html

@@ -111,6 +111,7 @@ footer .container { display: flex; justify-content: space-between; align-items:
       <a href="#markdown">Markdown</a>
       <a href="#charts">Charts</a>
       <a href="#receipt">Receipt</a>
+      <a href="#url-to-pdf">URL to PDF</a>
       <a href="#nodejs">Node.js</a>
       <a href="#python">Python</a>
       <a href="#go">Go</a>
@@ -270,6 +271,36 @@ footer .container { display: flex; justify-content: space-between; align-items:
       </div>
     </section>
 
+    <!-- URL to PDF -->
+    <section id="url-to-pdf" class="example-section">
+      <h2>URL to PDF</h2>
+      <p>Capture a live webpage and convert it to PDF. Send a URL to the <code>/v1/convert/url</code> endpoint and get a rendered PDF back. JavaScript is disabled for security (SSRF protection), and private/internal URLs are blocked.</p>
+
+      <div class="code-block">
+        <span class="code-label">curl — basic</span>
+        <pre><code>curl -X POST https://docfast.dev/v1/convert/url \
+  -H <span class="str">"Authorization: Bearer YOUR_API_KEY"</span> \
+  -H <span class="str">"Content-Type: application/json"</span> \
+  -d <span class="str">'{"url": "https://example.com"}'</span> \
+  --output page.pdf</code></pre>
+      </div>
+
+      <div class="code-block">
+        <span class="code-label">curl — with options</span>
+        <pre><code>curl -X POST https://docfast.dev/v1/convert/url \
+  -H <span class="str">"Authorization: Bearer YOUR_API_KEY"</span> \
+  -H <span class="str">"Content-Type: application/json"</span> \
+  -d <span class="str">'{
+    "url": "https://example.com",
+    "format": "A4",
+    "margin": { "top": "20mm", "bottom": "20mm" },
+    "scale": 0.8,
+    "printBackground": true
+  }'</span> \
+  --output page.pdf</code></pre>
+      </div>
+    </section>
+
     <!-- Node.js -->
     <section id="nodejs" class="example-section">
       <h2>Node.js Integration</h2>

public/src/examples.html

@@ -60,6 +60,7 @@
       <a href="#markdown">Markdown</a>
       <a href="#charts">Charts</a>
       <a href="#receipt">Receipt</a>
+      <a href="#url-to-pdf">URL to PDF</a>
       <a href="#nodejs">Node.js</a>
       <a href="#python">Python</a>
       <a href="#go">Go</a>
@@ -219,6 +220,36 @@
       </div>
     </section>
 
+    <!-- URL to PDF -->
+    <section id="url-to-pdf" class="example-section">
+      <h2>URL to PDF</h2>
+      <p>Capture a live webpage and convert it to PDF. Send a URL to the <code>/v1/convert/url</code> endpoint and get a rendered PDF back. JavaScript is disabled for security (SSRF protection), and private/internal URLs are blocked.</p>
+
+      <div class="code-block">
+        <span class="code-label">curl — basic</span>
+        <pre><code>curl -X POST https://docfast.dev/v1/convert/url \
+  -H <span class="str">"Authorization: Bearer YOUR_API_KEY"</span> \
+  -H <span class="str">"Content-Type: application/json"</span> \
+  -d <span class="str">'{"url": "https://example.com"}'</span> \
+  --output page.pdf</code></pre>
+      </div>
+
+      <div class="code-block">
+        <span class="code-label">curl — with options</span>
+        <pre><code>curl -X POST https://docfast.dev/v1/convert/url \
+  -H <span class="str">"Authorization: Bearer YOUR_API_KEY"</span> \
+  -H <span class="str">"Content-Type: application/json"</span> \
+  -d <span class="str">'{
+    "url": "https://example.com",
+    "format": "A4",
+    "margin": { "top": "20mm", "bottom": "20mm" },
+    "scale": 0.8,
+    "printBackground": true
+  }'</span> \
+  --output page.pdf</code></pre>
+      </div>
+    </section>
+
     <!-- Node.js -->
     <section id="nodejs" class="example-section">
       <h2>Node.js Integration</h2>

src/__tests__/examples-url-to-pdf.test.ts

@@ -0,0 +1,35 @@
+import { describe, it, expect } from 'vitest';
+import { readFileSync } from 'fs';
+import { join } from 'path';
+
+describe('examples.html - URL to PDF section', () => {
+  const html = readFileSync(join(__dirname, '../../public/examples.html'), 'utf-8');
+
+  it('contains a URL to PDF section', () => {
+    expect(html).toContain('id="url-to-pdf"');
+    expect(html).toContain('URL to PDF');
+  });
+
+  it('contains a nav link to the URL to PDF section', () => {
+    expect(html).toContain('href="#url-to-pdf"');
+  });
+
+  it('uses the correct API URL (docfast.dev, not api.docfast.dev)', () => {
+    expect(html).toContain('https://docfast.dev/v1/convert/url');
+    expect(html).not.toContain('api.docfast.dev');
+  });
+
+  it('shows the /v1/convert/url endpoint', () => {
+    expect(html).toContain('/v1/convert/url');
+  });
+
+  it('does NOT reference non-existent SDKs for URL conversion', () => {
+    expect(html).not.toContain('docfast-url');
+    expect(html).not.toContain('url-to-pdf-sdk');
+  });
+
+  it('mentions security notes about JavaScript and private URLs', () => {
+    expect(html).toMatch(/[Jj]ava[Ss]cript.*disabled|disabled.*[Jj]ava[Ss]cript/i);
+    expect(html).toMatch(/private|internal/i);
+  });
+});