chore: GoatCounter analytics, README for v0.11.0, DoT blog post

- Add GoatCounter script to site pages (cookie-free, no consent needed)
- Update README: setup-phone section, DoT blog link, roadmap checkbox
- Add DoT blog post source and SVG assets

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

site/index.html

@@ -1686,5 +1686,7 @@ const observer = new IntersectionObserver((entries) => {
 document.querySelectorAll('.reveal').forEach(el => observer.observe(el));
 </script>
 
+<script data-goatcounter="https://razvandimescu.goatcounter.com/count"
+        async src="//gc.zgo.at/count.js"></script>
 </body>
 </html>