feat(deriveEntry): n to n

[phoebeschmidt]

fixes #127

Summary

When the reference field for a deriveEntry migration is an array of linked entries, the derived entry now becomes the first item in an array. (Previously, the derived entry was linked as a single entry, ignoring the type of the reference field). Also add a new example showing this behavior.

[codecov]

Codecov Report

Merging #138 into master will increase coverage by 5.37%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master     #138      +/-   ##
==========================================
+ Coverage   68.61%   73.99%   +5.37%     
==========================================
  Files          75       75              
  Lines        2014     1969      -45     
  Branches      233      225       -8     
==========================================
+ Hits         1382     1457      +75     
+ Misses        542      439     -103     
+ Partials       90       73      -17

Impacted Files	Coverage Δ
src/lib/action/entry-derive.ts	77.35% <100%> (+71.23%)	⬆️
src/lib/intent/entry-derive.ts	33.33% <0%> (-9.53%)	⬇️
src/lib/intent/field-move.ts	54.16% <0%> (-7.91%)	⬇️
src/lib/intent/content-type-delete.ts	83.33% <0%> (-2.39%)	⬇️
src/lib/migration-steps/dispatch-proxy.ts	83.33% <0%> (-2.39%)	⬇️
src/lib/migration-steps/action-creators.ts	92.85% <0%> (-1.27%)	⬇️
src/lib/intent/content-type-create.ts	100% <0%> (ø)	⬆️
src/lib/migration-steps/first-external-caller.js	100% <0%> (ø)	⬆️
src/lib/offline-api/index.ts	81.17% <0%> (+2.94%)	⬆️
src/lib/intent/entry-transform.ts	81.81% <0%> (+3.24%)	⬆️
... and 15 more

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[phoebeschmidt]

🎉 This PR is included in version 0.13.0 🎉

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

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