[WIP] Started working on adding embedded-io support

[VictorKoenders]

Fixes #652

• [x] Implement embedded-io traits
• [ ] Add tests

[VictorKoenders]

cc @bugadani as you might have input on this

[codecov[bot]]

Codecov Report

Attention: 35 lines in your changes are missing coverage. Please review.

Comparison is base (4977966) 56.90% compared to head (aea661c) 56.19%. Report is 6 commits behind head on trunk.

Files	Patch %	Lines
src/features/impl_embedded_io.rs	0.00%	35 Missing :warning:

Additional details and impacted files

```diff @@ Coverage Diff @@ ## trunk #672 +/- ## ========================================== - Coverage 56.90% 56.19% -0.71% ========================================== Files 51 52 +1 Lines 4304 4356 +52 ========================================== - Hits 2449 2448 -1 - Misses 1855 1908 +53 ```

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[stale[bot]]

This issue has been automatically marked as stale because it has not had recent activity. It will be closed if no further activity occurs. Thank you for your contributions.

[VictorKoenders]

Your face is stale