This page will guide you in setting up the required ".import" and Godot friendly converted files necessary in order for your mod to work.
Create your mod file and import it into an empty Godot project. You may also want to adjust the file's import settings (loop your songs!) .
2. Export your Godot files via "Project > Export". You specifically want to use Export PCK/Zip.
3. Go to where your file would be within your exported ".zip" file. You should find the ".import" file next to your original file (or where it used to be depending on your settings).
4. ".import" files are plaintext. Open your file in a text editor and find where it says "dest_files". Navigate to and snag this converted file.
5. Move your original file, ".import" file, and converted file into your mod's folder.
6. Open your ".import" file and make the following changes:
Change "source_file" to point to your original file.
Change "path" and "dest_files" to point to your converted file.
Keep in mind that replacing "res://" with "user://" followed by your mod's location within "AppDate/Roaming/Godot/app_userdata/Blind Date Generator/" makes your mod shareable.
7. You should be done. Test your mod to make sure it works!