Initial release of the feast-azure plugin

What's Changed

• mssql server offline store by @DvirDukhan in #1
• Add CI/CD (build/publish, test) pipelines by @bastrik in #2

New Contributors

• @DvirDukhan made their first contribution in #1
• @bastrik made their first contribution in #2

Full Changelog: https://github.com/Azure/feast-azure/commits/v0.1.0