feat(platform): Support for UUID type using scalar

[ragi-dayananda]

Closes #

Changes

UUID support for cto models. Since UUID's are not supported globally by concerto, added a scalar type UUID with regex validation in concerto.scalar namespace.

Author Checklist

• [ ] Ensure you provide a DCO sign-off for your commits using the --signoff option of git commit.
• [ ] Vital features and changes captured in unit and/or integration tests
• [ ] Commits messages follow AP format
• [ ] Extend the documentation, if necessary
• [ ] Merging to master from fork:branchname