✨Dependency injection

[aleksul]

Change Summary

Add 2 dependency injected types - Message and Depends.

Depends allows for an arbitrary dependency to be passed to a Repid actor, while Message allows for a better control over the processing.

Checklist

• [x] Unit tests for the changes exist
• [x] Tests pass on CI and coverage remains at 100%
• [x] Documentation reflects the changes where applicable
• [x] My PR is ready to review

[cloudflare-workers-and-pages[bot]]

Deploying with    Cloudflare Pages

Latest commit:	1bb1b84
Status:	✅  Deploy successful!
Preview URL:	https://f00b19da.repid.pages.dev
Branch Preview URL:	https://message.repid.pages.dev

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[codecov[bot]]

Codecov Report

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

Comparison is base (cc67aeb) 100.00% compared to head (1bb1b84) 100.00%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #133 +/- ## ========================================== Coverage 100.00% 100.00% ========================================== Files 53 61 +8 Lines 1992 2316 +324 ========================================== + Hits 1992 2316 +324 ```

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