Initial ESP32 native hardware support

[AdrianSoundy]

Description

This adds an interface so native ESP32 functions that are not included in normal UWP assemblies can be called from managed code.

• Call the ESP32 Sleep functions.
• Change the IDF logging options.

Motivation and Context

Required as no functions in UWP assemblies to call these functions

Types of changes

• [] Improvement (non-breaking change that improves a feature, code or algorithm)
• Bug fix (non-breaking change which fixes an issue)
• [ x] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have read the CONTRIBUTING document.
• I have added tests to cover my changes.
• All new and existing tests passed.

Signed-off-by: adriansoundy adriansoundy@gmail.com

[nfbot]

Hi @AdrianSoundy,

I'm nanoFramework bot.
Thank you for your contribution!

A human will be reviewing it shortly. 😉

[josesimoes]

LGTM.
Seems like a great addition to the API! 👏

[MatthiasJentsch]

In general that looks also good to me, but the build is failing.