add symbolic link to readme

[WilliamBergamin]

Summary

This PR aim to allow denoland to display the readme.md from this repository while maintaining a single source of truth for the readme

Testing

Test this out from this branch

Special notes

This change moves the README.md content to src/README.md and creates a symbolic link between README.md and src/README.md, this makes src/README.md the source of truth but allows GitHub to properly render the README.md file

Feedback

• Is this something we want to implement?
• Is there a simpler way to do this?
• Could this cause confusion in the future?

Requirements

• [x] I've read and understood the Contributing Guidelines and have done my best effort to follow them.
• [x] I've read and agree to the Code of Conduct.
• [x] I've ran deno task test after making the changes.

[codecov[bot]]

Codecov Report

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

Comparison is base (5469b14) 77.24% compared to head (54835b8) 77.49%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #79 +/- ## ========================================== + Coverage 77.24% 77.49% +0.24% ========================================== Files 16 16 Lines 813 813 Branches 111 119 +8 ========================================== + Hits 628 630 +2 Misses 182 182 + Partials 3 1 -2 ```

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