* Add mod support
* Change .NET Core 3.1 to .NET 6 for DatLoader.Tests to remove dependency.
* Add default mod path
* Attempt to create missing mod folder
* Update Source/ACE.Server/Mods/ModManager.cs
Co-authored-by: gmriggs <gmriggs@gmail.com>
* Use pre-release Harmony
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Co-authored-by: gmriggs <gmriggs@gmail.com>