* Add ROM MD5 definitions in linker and devices
* Add initial MD5 support
* Implement traits and add comments to MD5 module
* Add MD5 example to ESP32-C3
* Test MD5 context on the quick brown fox
* Implemenr From<Context> for Digest
* Add MD5 to the rest of the examples
* Add docs for MD5
* Remove #[repr(transparent)] from md5::Digest
* Update CHANGELOG.md