Github actions sdk + docs generation workflows

[aaronlwan]

Description

Github actions workflows for OpenAPI → SDKs and SDKs → Docs. NOTE: Need to set a PAT for hatchet-dev organization and set in secrets as TOKEN.

Type of change

• [ ] Bug fix (non-breaking change which fixes an issue)
• [ ] Documentation change (pure documentation change)
• [ ] New feature (non-breaking change which adds functionality)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] Refactor (non-breaking changes to code which doesn't change any behaviour)
• [x] CI (any automation pipeline changes)
• [ ] Chore (changes which are not directly related to any business logic)
• [ ] Test changes (add, refactor, improve or change a test)
• [ ] This change requires a documentation update

What's Changed

• Create sdk-generate.yml
• Create docs-generate.yml