You’ve reached the end of the getting started guide - congratulations!
If you’re still looking to learn about a specific concept, check and see if we have a page on it in the other sections of the documentation.
Once you have a mod you’re ready to upload, follow the Releasing Your Mod directions to export and upload it for other people to use.
You can also ask questions on the Discord Server.
You may also be interested in C++ modding, which allows modifying and creating much more advanced game behaviors. More info can be found on that here.
Consider checking out what mods on ficsit.app have their source code available and checking them out in your editor to learn from their code.