Added dot

Author: MiroMargineanu

.github/workflows/deploy-storybook.yml

@@ -38,7 +38,7 @@ jobs:
         run: |
           if [ ! -f "./storybook-static/iframe.html" ]; then
             echo "❌ Error: iframe.html missing - Storybook build failed"
-            echo "This indicates the @stencil/storybook-plugin compatibility issue"
+            echo "This indicates the @stencil/storybook-plugin compatibility issue."
             echo "Stories will not load without iframe.html"
             ls -la ./storybook-static/ || true
             exit 1