feat: new configuration option called 'router_use_controllers'

[boazpoolman]

What does it do?

It makes sure that the router endpoint from Webtools uses the core content-type controllers to resolve the documents. That means that you can extend your controllers to alter the Webtools router response.

Why is it needed?

To solve #368

[changeset-bot]

🦋 Changeset detected

Latest commit: 342f269

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 2 packages

Name	Type
strapi-plugin-webtools	Minor
docs	Minor

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 35.96%. Comparing base (377c519) to head (342f269).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff             @@
##           master     #369      +/-   ##
==========================================
- Coverage   36.78%   35.96%   -0.83%     
==========================================
  Files           2        2              
  Lines         704      723      +19     
  Branches      172      175       +3     
==========================================
+ Hits          259      260       +1     
- Misses        350      368      +18     
  Partials       95       95              

Flag	Coverage Δ
unit	35.96% <ø> (-0.83%)	⬇️

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