add warning for anchors

Author: kmurphypolygon

mkdocs.yml

@@ -683,10 +683,9 @@ plugins:
         'pos/how-to/operate-validator-node/validator-commission-operations.md': 'pos/how-to/operate-validator-node/next-steps.md'
         'pos/how-to/operate-validator-node/validator-staking-operations.md': 'pos/how-to/operate-validator-node/next-steps.md'
 
-
-
 validation:
   absolute_links: warn
+  anchors: warn
 
 extra_javascript:
   - _site_essentials/js/mathjax.js