Docs: Add GitHub Actions workflow status badges

Include badges for test, build, deploy, docs, and security workflows to provide a quick overview of CI/CD status in the README.

Author: timhauke

README.md

@@ -11,6 +11,23 @@
     <a href="https://www.python.org/"><img src="https://img.shields.io/badge/Python-3.11+-3776AB?style=for-the-badge&logo=python&logoColor=white" alt="Python"></a>
     <a href="https://www.apache.org/licenses/LICENSE-2.0"><img src="https://img.shields.io/badge/License-Apache%202.0-0A0A0A?style=for-the-badge" alt="License"></a>
   </p>
+  <p>
+    <a href="https://github.com/VectoDE/VectoBeat/actions/workflows/test.yml">
+      <img src="https://github.com/VectoDE/VectoBeat/actions/workflows/test.yml/badge.svg?branch=main" alt="Quality Gate Status" />
+    </a>
+    <a href="https://github.com/VectoDE/VectoBeat/actions/workflows/build.yml">
+      <img src="https://github.com/VectoDE/VectoBeat/actions/workflows/build.yml/badge.svg?branch=main" alt="Build Status" />
+    </a>
+    <a href="https://github.com/VectoDE/VectoBeat/actions/workflows/deploy.yml">
+      <img src="https://github.com/VectoDE/VectoBeat/actions/workflows/deploy.yml/badge.svg?branch=main" alt="Release & Publish" />
+    </a>
+    <a href="https://github.com/VectoDE/VectoBeat/actions/workflows/docs.yml">
+      <img src="https://github.com/VectoDE/VectoBeat/actions/workflows/docs.yml/badge.svg?branch=main" alt="Documentation Guard" />
+    </a>
+    <a href="https://github.com/VectoDE/VectoBeat/actions/workflows/security.yml">
+      <img src="https://github.com/VectoDE/VectoBeat/actions/workflows/security.yml/badge.svg?branch=main" alt="Security Audit" />
+    </a>
+  </p>
 </div>
 
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