Implement embedded-nal traits?

[lachlansneff]

The embedded-nal crate exposes a couple of traits (e.g. TcpClientStack, UdpClientStack, TcpFullStack, UdpFullStack, etc) to facilitate writing networking abstractions that are platform independent.

[jonathanpallant]

Yes, I wrote it! I had this library in mind when I did so too.

Happy to take a PR which implements these traits.

[lachlansneff]

I didn't realize that was you haha! I'll go ahead and make a PR. It seems like embedded-nal might want a few more traits, namely TcpTlsClient and GnssClient.

[diondokter]

For the people looking here, I've made a NAL implementation that builds on top of this lib: https://crates.io/crates/nrf-modem-nal