How to handle VSTS and TFS during migration from sharepoint 2013 to SharePoint online. What are the things that need to be setup in SharePoint Online for that and will the versions be preserved while migrating?
You can implement CI/CD to SharePoint online if you are familiar with PowerShell. Using powershell you can create deployment scripts and Azure DevOps (VSTS/TFS) can execute any powershell task easily. Following blog series should be really helpful for you in the implementation.