added kubetidy link

Signed-off-by: Richard Hooper <Richard.Hooper@pixelrobots.co.uk>

Author: Richard Hooper

docs/_config.yml

@@ -38,12 +38,15 @@ nav_sort: case_sensitive # Capital letters sorted before lowercase
 
 # External navigation links
 nav_external_links:
-  - title: Pixel Robots
-    url: https://pixelrobots.co.uk
-    opens_in_new_tab: true
   - title: KubeDeck
     url: https://KubeDeck.io
     opens_in_new_tab: true
+  - title: KubeTidy
+    url: https://KubeTidy.io
+    opens_in_new_tab: true
+  - title: Pixel Robots
+    url: https://pixelrobots.co.uk
+    opens_in_new_tab: true
 
 # Show navigation error report
 nav_error_report: true # default is false/nil.