What new features or functions does this PR provide? What bugs does it fix?
created availability entity, and created one to many relationship between user and availability tables in the database
Testing
How did you test the code in the pull request?
need to test populating data in availability table
Checklist
[ ] I provided a description of the contents of this pull request.
[ ] I've linked this pull request to an issue.
[ ] I've assigned myself as the Assignee and labelled the PR correctly.
Description
What new features or functions does this PR provide? What bugs does it fix? created availability entity, and created one to many relationship between user and availability tables in the database
Testing
How did you test the code in the pull request? need to test populating data in availability table
Checklist