Error Handling
In the following case the diagram is not valid should show an error message Not a diagram file.
Example
Additionnaly, you should see a warning in your MkDocs server similar to:
WARNING - Warning: Found 0 results for page name 'test diagram' for diagram 'test.drawio' on path '/tmp/mkdocs_ce1qjhyn/test2'
ERROR - Error: Provided diagram file 'test.drawio' on path '/tmp/mkdocs_ce1qjhyn/test5' is not a valid diagram
Markdown
