Review licenses in all repositories

[vmbrasseur]

• Review all of the repositories
• Verify whether each has a license that's in line with the charter
• If it doesn't, add/correct as needed

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The list of repositories as of today:

• [ ] governance
• [ ] tracefoodchain
• [ ] agstack-website
• [ ] meetings
• [ ] autogeobound
• [ ] asset-registry-fe
• [ ] asset-registry
• [ ] field-carbon-model
• [ ] jupyter-notebooks
• [ ] messagecast-backend
• [ ] messagecast-frontend
• [ ] user-registry
• [ ] weather-forecast
• [ ] MessageCast
• [ ] infra
• [ ] ag-rec
• [ ] weather-server
• [ ] pest-models
• [ ] opensource-pestmodels
• [ ] artwork
• [ ] agstack-landscape