feat: mark required inputs

[Jakub-Vacek]

Description

This PR adds marking of required input fields in .mjs (.py) file. To do this we are now going through AST type tree and constructing example tree at the same time. This allows us to know which property is required and which example value should be used. Also we are now able to work with partial examples while making sure that result match the original structure.

Motivation and Context

[

https://github.com/orgs/superfaceai/discussions/10 https://superfaceai.slack.com/archives/C013602CL2Y/p1691656230267869

Types of changes

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• [ ] I have updated the documentation accordingly. For updating Oclif commands documentation use oclif-dev.
• [ ] I have read the CONTRIBUTING document.
• [ ] I haven't repeated the code. (DRY)
• [ ] I have added tests to cover my changes.
• [ ] All new and existing tests passed.

[Jakub-Vacek]

@kysely removed required comment from boilerplate code. So now this should not be a significant change for user.