* Add .md extension when generating link definition section
The change in the definition allows links to be navigated in github
The changes in the JS inside _layouts maintains the html navigation when publishing to github pages.
For more info see https://foambubble.github.io/foam/link-reference-definition-improvements
* Updated existing docs to new link definition section
* better md file detection and consolidated code in parent template
* added mdx extension to markdown file detection
* added note about shortcut taken
* added configuration to toggle extensions in wikilinks + tests
* Revert "Updated existing docs to new link definition section"
This reverts commit 50e4a527e0.
We'll do this change once the version has been released
Co-authored-by: Jani Eväkallio <jani.evakallio@gmail.com>
