Update docs for v2.10.0: AIS vessel tracking and Spy Stations

- Add AIS Vessel Tracking and Spy Stations to GitHub Pages site
- Update mode count from 10+ to 12+
- Add feature sections to FEATURES.md
- Update README.md features list and acknowledgments
- Add AIS-catcher and Priyom.org to acknowledgments
- Bump version to 2.10.0 in config.py
- Update CHANGELOG.md with new release notes

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

docs/index.html

@@ -34,7 +34,7 @@
             </div>
             <div class="hero-stats">
                 <div class="stat">
-                    <span class="stat-value">10+</span>
+                    <span class="stat-value">12+</span>
                     <span class="stat-label">Modes</span>
                 </div>
                 <div class="stat">
@@ -111,6 +111,18 @@
                     <h3>Meter Reading</h3>
                     <p>Intercept smart utility meters via rtl_amr. Monitor electricity, gas, and water meter transmissions.</p>
                 </div>
+
+                <div class="feature-card">
+                    <div class="feature-icon">🚢</div>
+                    <h3>Vessel Tracking</h3>
+                    <p>Real-time AIS ship tracking via AIS-catcher. Monitor maritime traffic with vessel details, course, speed, and destination.</p>
+                </div>
+
+                <div class="feature-card">
+                    <div class="feature-icon">🔢</div>
+                    <h3>Spy Stations</h3>
+                    <p>Number stations and diplomatic HF network database. Frequencies, schedules, and background info from priyom.org.</p>
+                </div>
             </div>
         </div>
     </section>