chore: GoatCounter analytics, README v0.11.0, DoT blog post (#72)

* 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>

* chore: site navbar, updated roadmap, DoT blog listing, spec updates

- Add top nav bar to landing page (wordmark + links, responsive)
- Add DoT blog post entry to blog index
- Update roadmap: phases 8-13 (hostile-network, Windows, DoT shipped)
- Update specs: listeners section, dependency description, port list
- Blog: hostile-network SVG in DNSSEC post, text-transform fix
- Blog template: wordmark text-transform fix

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

---------

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

site/blog-template.html

@@ -74,6 +74,7 @@ body::before {
   font-weight: 400;
   color: var(--text-primary);
   text-decoration: none;
+  text-transform: none;
   letter-spacing: -0.02em;
 }
 .blog-nav .wordmark:hover { color: var(--amber); }
@@ -297,5 +298,7 @@ $body$
   <a href="/blog/">Blog</a>
 </footer>
 
+<script data-goatcounter="https://razvandimescu.goatcounter.com/count"
+        async src="//gc.zgo.at/count.js"></script>
 </body>
 </html>