Add repo roles:

[jacobweinstock]

Description

This is needed to enable the repo roles defined by the community here: tinkerbell/org#10

CC @chrisdoherty4

Why is this needed

Fixes: #

How Has This Been Tested?

How are existing users impacted? What migration steps/scripts do we need?

Checklist:

I have:

• updated the documentation and/or roadmap (if required)
• added unit or e2e tests
• provided instructions on how to upgrade

[codecov]

Codecov Report

Merging #94 (c935dcd) into main (c7de39b) will not change coverage.
The diff coverage is n/a.

❗ Current head c935dcd differs from pull request most recent head 362a1b9. Consider uploading reports for the commit 362a1b9 to get more accurate results

@@           Coverage Diff           @@
##             main      #94   +/-   ##
=======================================
  Coverage   51.87%   51.87%           
=======================================
  Files           3        3           
  Lines         401      401           
=======================================
  Hits          208      208           
  Misses        164      164           
  Partials       29       29           

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