I figured it out through trial and error. Im just going to include a step by step so you know where to paste these files, incase you dont already know.
1. Start Ryujinx
2. Click "Files"
3. Select "Open Ryujinx folder"
4. Open "bis" folder then "user" folder.
5. You're looking for "save" and...
I Just started playing today and I have played less than 30 mins. I could hook you up, but I'm not sure where I find my save file. If you can figure out where the save file is I'll upload it here for you :)