* Add ConflictedFile to git-helpers.ps1, add git-helpers.tests.ps1 to exercise basic functionality.
* Add `resolve-asset-conflict.ps1` a script that can autoresolve an assets.json file.
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Co-authored-by: Scott Beddall (from Dev Box) <scbedd@microsoft.com>
Co-authored-by: Scott Beddall <45376673+scbedd@users.noreply.github.com>
Co-authored-by: Ben Broderick Phillips <bebroder@microsoft.com>