Create github workflow to add new issues to triage board automatically

[glemieux]

Automate adding issues to the NGEET issue board project.

Description:

This PR adds a new subfolder to the .github folder to enable workflows to be run automatically by github actions. This particular workflow calls the Github Action Add-To-Project.

Collaborators:

None

Expectation of Answer Changes:

None as this is a github configuration update

Checklist:

• My change requires a change to the documentation.
• I have updated the in-code documentation .AND. (the technical note .OR. the wiki) accordingly.
• I have read the CONTRIBUTING document.
• FATES PASS/FAIL regression tests were run
• If answers were expected to change, evaluation was performed and provided

Test Results:

CTSM (or) E3SM (specify which) test hash-tag:

CTSM (or) E3SM (specify which) baseline hash-tag:

FATES baseline hash-tag:

Test Output: