Github support to add, create, and save prototypes

[dlabaj]

Users need the ability to create, and sync a repo from the cli. They need to be able to do this with little to no knowledge of how this is working in git.

• Create a new github repo(s) for prototypes.
• Add new prototypes to the repo(s).
• Update the prototype and push it back the repo(s).
• Have the ability to check if their prototypes have been updated in git (Check if prototype is saved)
• Delete the prototype by either removing it from the repo(s) or deleting the repo(s)
• List all available prototypes for the user

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Jira Issue: PF-3421