🔗 Many-to-many relationships

[brunobuddy]

Description

This PR adds many-to-many relationships to Manifest.

It also clarifies one-to-many relationships giving it a proper specification and development as the POC implementation was a bit hazardous.

Related Issues

• 117

• 109

How can it be tested?

• First pull the develop branch of the website repository and launch the docs following the README.md. You should see the new Relations doc.
• From this repo, run npm run dev and play around with your /packages/core/manifest/manifest/backend.yml
• You can see the results through the admin panel, the rest api and the js sdk
• Also check the relationship.e2e-spec.ts file and validate each it() functional affirmation

Impacted packages

Check the packages that require a new publication or release:

• [x] manifest
• [ ] @mnfst/sdk

Check list before submitting

• [x] I have performed a self-review of my code (no debugs, no commented code, good naming, etc.)
• [x] I wrote the relative tests
• [x] I updated the documentation if necessary
• [x] This PR is wrote in a clear language and correctly labeled

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Name	Status	Preview	Comments	Updated (UTC)
manifest-schema	✅ Ready (Inspect)	Visit Preview	💬 Add feedback	Sep 25, 2024 2:56pm

[SebConejo]

@brunobuddy

I kept your default backend.yml. Making tests from the admin panel, I can't udpate a,y cat. It looks like we can't update an entity which is related to another one using the belongsToMany relation.

When try to edit the entity(so the cat here), the serving crash. Here are the error: