feat: push to frame repo by default

[sphamba]

Describe your changes

• fix [FEATURE] When pushing, make requirement of model begin public an open source explicit #31
• fix [FEATURE] frame push: add explicit option for metadata file location #32

Checklist before requesting a review

• I have performed a self-review of my code
• When resolving a specific issue, it's referenced in the PR's title (e.g. fix #xxx[,#xxx], where "xxx" is the issue number)
• Don't forget to link PR to issue if you are solving one.