Versioning

Sinai dev/master (#6)

* Target .NET 3.5

* Include libs, and use v5.2 UnityEngine.dll

* Use .NET 3.5 MonoMod references, and v10.4 Cecil

.. and use new lib folder for UnityEngine and BepInEx reference

* Use GetFiles instead of EnumerateFiles

* Revert lib folder changes

* Remove UnityEngine Dependency

* Migrate to packagereference

* codemaid cleanup

* Update pacakge version

Co-authored-by: Sinai <outlander.sinai@gmail.com>

Merge pull request #1 from xiaoxiao921/master

Allow for custom assembly names

Don't generate more MMHOOK files if one already exists