docs: use English version of Rabauer blog on English pages

Point about.adoc and spec-driven-workflow.adoc to the English version
at https://rabauer.dev/en/blog/semantic-anchors/. The German
counterparts (about.de.adoc, spec-driven-workflow.de.adoc) keep the
German link.

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

Author: raifdmueller

docs/about.adoc

@@ -30,7 +30,7 @@
   </button>
   <figcaption>
     Two-hour live coding session with Johannes Rabauer and Ralf D. Müller (May 2026).
-    Read Johannes' <a href="https://rabauer.dev/de/blog/semantic-anchors/" target="_blank" rel="noopener noreferrer">session summary on rabauer.dev</a>.
+    Read Johannes' <a href="https://rabauer.dev/en/blog/semantic-anchors/" target="_blank" rel="noopener noreferrer">session summary on rabauer.dev</a>.
   </figcaption>
 </figure>
 ++++

docs/spec-driven-workflow.adoc

@@ -620,4 +620,4 @@ See link:#/brownfield[Adapting the Workflow to Brownfield Projects] for a step-b
 * Birgitta Böckeler, https://martinfowler.com/articles/exploring-gen-ai/sdd-3-tools.html[Exploring Gen AI] (martinfowler.com) -- a critical analysis of spec-driven development tools (Kiro, spec-kit, Tessl) and their trade-offs. Examines where elaborate upfront specifications help and where they create overhead.
 * Simon Martinelli, https://unifiedprocess.ai/[AI Unified Process] -- a requirements-driven methodology combining Rational Unified Process principles with AI tooling. Treats AI as a consistency engine that regenerates code from evolving specifications, with four phases: Inception, Elaboration, Construction, Transition.
 * Ralf D. Müller & Simon Martinelli, https://software-architektur.tv/2026/01/16/folge298.html[Spec-Driven Development] (software-architektur.tv, Episode 298) -- podcast discussion on how specifications and requirements take center stage in AI-assisted development, and why iterative refinement beats perfect upfront specs.
-* Johannes Rabauer, https://rabauer.dev/de/blog/semantic-anchors/[LLM Coding mit Semantic Anchors: Von Vibe Coding zur echten Java-App] (rabauer.dev, May 2026) -- session summary from a two-hour live coding session walking through the full workflow on a model railway train scheduler. Demonstrates how Semantic Contracts solve context persistence across sessions and how Docs-as-Code practice pays dividends for LLM context.
+* Johannes Rabauer, https://rabauer.dev/en/blog/semantic-anchors/[LLM Coding with Semantic Anchors: From Vibe Coding to a Real Java App] (rabauer.dev, May 2026) -- session summary from a two-hour live coding session walking through the full workflow on a model railway train scheduler. Demonstrates how Semantic Contracts solve context persistence across sessions and how Docs-as-Code practice pays dividends for LLM context.