0.2.0 - BepInPlugin and .Net 3.5 compatibility

Changelog

• Added BTHarmonyUtilsPlugin so you can add BTHU as a BepInDependency
• Backwards-compatibility support for .Net 3.5 and up.

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File Explanation

• .dll is required
• .xml adds documentation (heavily recommended)
• .pdb is for debugging (optional)