[ ] You've included unit or integration tests for your change, where applicable.
[x] You've included inline docs for your change, where applicable.
[x] There's an open issue for the PR that you are making. If you'd like to propose a new feature or change, please open an issue to discuss the change or find an existing issue.
Summary of the changes (Less than 80 chars)
Description
Add global.json so that it is easier to switch between different CLR versions.
Add global.json
Summary of the changes (Less than 80 chars)
Description
Add global.json so that it is easier to switch between different CLR versions.