Update _config.yml

Add Labs64.IO Ecosystem

Author: r-brown

docs/_config.yml

@@ -36,10 +36,10 @@ heading_anchors: true
 footer_content: "Copyright &copy; 2010 - 2024 <a href=\"https://www.labs64.com\">Labs64 GmbH</a>"
 # footer links for the page bottom navigation
 footer_links:
+  "Labs64.IO Ecosystem - Your Agile Business Workflow Powerhouse":
+    - "https://labs64.io"
   "GuideChimp - Interactive Guided Tours":
     - "https://www.labs64.com/guidechimp/"
-  "PowerDraw – Elevate Your Diagrams with Navigable Slides and Layers":
-    - "https://powerdraw.io"
 
 # Google Analytics Tracking
 ga_tracking: UA-32654174-2