I'm going to attempt to create a collection of modding tutorials and documents under the Tutorials section in the name of preservation.
There's also a screenshot showcase, and soon there'll be links to downloads of the latest release.
The website is completely editable through the Git web interface: https://github.com/CallumDev/Librelancer/tree/gh-pages
So if you have something you wish to add, or something you wish to change, submit a pull request!