Add Eval to Foundry CLI (#1345)
* move eval script
* test
* eval
* circular import
* lazy imports
* break apart folders
* icl
* move eval to train
* typo
* typo
* revert
* revert
* more revert
* more revert
* typo
* typing
* precommit
* precommit
* optional
* precommit
* move eval
* move eval
* rm extra
* readd train
* precommit
* precommit
* pr comments
---------
Co-authored-by: v-chen_data <v-chen_data@example.com>
