* Added new I2cController and related support

* Add bus ID as part of way to manage devices

* Made static

* Removed static

* Removed interop file and add partial class for controller

* Changed to open/close device methods

* Added TryGetDevice method

* Added ShouldDispose property

* Added more support for disposing

* Enabled nullable in file to check builds

* Missed the other file for enabling nullable

* Added GetDevices and updated OpenDevice check

* Updated to ConcurrentDictionary

* Consolidated to only Create I2cDevice

* Removed unused files

* Removed until direction is determined

* Moved Create under I2cDevice classes