Update Messages API implementation

[superchilled]

This PR:

• Updates the Messaging class to add a delegator for the channel methods in Messaging::Message
• Enforces :to and :from as required keyword attributes of the Messagin#send method

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 98.19%. Comparing base (5b6171d) to head (cd65166).

:exclamation: Current head cd65166 differs from pull request most recent head 574fef5. Consider uploading reports for the commit 574fef5 to get more accurate results

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #308 +/- ## ======================================= Coverage 98.19% 98.19% ======================================= Files 132 132 Lines 2330 2333 +3 ======================================= + Hits 2288 2291 +3 Misses 42 42 ```

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