Specify the mandatory fields to the json schema

[Ludee]

Summary of the discussion

The Badge System defined some basic mandatory (required) fields corresponding to the Iron Badge.

• collection name
• resources - name
• resources - schema - fields - name (column name)
• resources - schema - fields - type (column data type)
• resources - schema - primaryKey
• resources - schema - foreignKeys - fields
• resources - schema - foreignKeys - reference - resource
• resources - schema - foreignKeys - reference - fields

Type of change (CHANGELOG.md)

Added

• Add mandatory fields to the json schema (Iron Badge) (#160)

Workflow checklist

Automation

Closes #40

PR-Assignee

• 🐙 Follow the workflow in CONTRIBUTING.md
• 📝 Update the CHANGELOG.md
• 📙 Update the documentation

Reviewer

• 🐙 Follow the Reviewer Guidelines
• 🐙 Provided feedback and show sufficient appreciation for the work done

[jh-RLI]

LGTM