Migrate `create_package()` to Data Package v2

[peterdesmet]

• Until read_package() to upgrade Data Package from v1 to v2 #318 is implemented, use frictionless::example_package(version = "2.0") as input
• Set $schema: https://datapackage.org/overview/changelog/#packageschema-new
• Run tests
• If changes were implemented
  • Update documentation
  • Update examples (switch order)
  • Update NEWS.md
• Update support table in Migrate all functions to Data Package v2 #320

Note: this change might affect other functions, especially #323, so that might need to be implemented first.