Set up the repo

[Bardin08]

Description

• Add readme file (ex.: https://github.com/Bardin08/db-seeder/blob/master/README.md)
• Add LICENCE & CODEOWNERS (Add LICENCE and CODEOWNERS #4)
• Configure CI/CD
  • CI:
    • Build & Test
    • Sonar Cloud
    • Update Version (SemVer)
  • CD
    • Pack & Publish .NET CLI tool

[Bardin08]

CD can be postponed till the future releases