Add Rider/ReSharper Analyzers

[Kasperki]

List of analyzers in ReShaper: https://github.com/JetBrains/resharper-unity/wiki
there are few analyzers that this project do not have like: https://github.com/JetBrains/resharper-unity/wiki/Avoid-null-comparisons-against-UnityEngine.Object-subclasses could be usefull