Add version/build-date status bar to dashboard footer

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Co-authored-by: christianlouis <361235+christianlouis@users.noreply.github.com>

backend/app/api/v1/endpoints/version.py

@@ -0,0 +1,18 @@
+"""
+Version endpoint – returns the application version and build date.
+"""
+
+from fastapi import APIRouter
+
+from app.core.config import settings
+
+router = APIRouter()
+
+
+@router.get("")
+async def get_version():
+    """Return application version and build metadata."""
+    return {
+        "version": settings.APP_VERSION,
+        "build_date": settings.BUILD_DATE or None,
+    }