Let users specify project to upload training to

When training, you can specify an optional project id for the model to be uploaded to.

projects are named by `projectId`

 https://app.swaggerhub.com/apis-docs/alexamakarov/pathmind/1.0.0#

you can get a list of project id's for a user https://app.swaggerhub.com/apis-docs/alexamakarov/pathmind/1.0.0#/Projects/getProjects