Add editorconfig file

[ram02z]

Is your feature request related to a problem? Please describe.
Our project needs to follow the Microsoft C# conventions

Describe the solution you'd like
The Microsoft documentation provides an editorconfig file for C#
https://learn.microsoft.com/en-us/dotnet/fundamentals/code-analysis/code-style-rule-options

Describe alternatives you've considered
N/A

Additional context
N/A