doc: Mention that the API doc CI is also testing the API

README.md

@@ -8,6 +8,9 @@ We have an older version available on the Wiki.
 
 - https://wiki.openfoodfacts.org/Documentation
 
+# Tests
+- Note: This documentation is actually able to run API tests, that will fail if not properly specified or if the API has changed, and the documentation has not. Currently, around 20 tests are failing.
+
 # Roadmap
 
 We need documentation maintainers

index.html

@@ -410433,4 +410433,4 @@
 function IsJsonString(str){try{JSON.parse(str);}catch(e){return false;}
 return true;}
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-return '<span class="'+cls+'">'+match+'</span>';});}</script><br><br><footer class="navbar-default navbar-fixed-bottom"><div class=container-fluid><div class="span12 text-center"><span data-toggle=tooltip title="If the application help you, please feel free to give a star to the project in github. Your star inspire me to work more on open-source projects like this!">Generated at 2022-03-30 10:35:02 by <a href=https://github.com/thedevsaddam/docgen target=_blank class=text-muted>docgen</a></span></div></div></footer>
+return '<span class="'+cls+'">'+match+'</span>';});}</script><br><br><footer class="navbar-default navbar-fixed-bottom"><div class=container-fluid><div class="span12 text-center"><span data-toggle=tooltip title="If the application help you, please feel free to give a star to the project in github. Your star inspire me to work more on open-source projects like this!">Generated at 2022-03-30 10:50:30 by <a href=https://github.com/thedevsaddam/docgen target=_blank class=text-muted>docgen</a></span></div></div></footer>