fix(cli): allow options after project directory

[ulises-jeremias]

Summary

• Fix uvx create-awesome-python-app my-api --template … failing with No such command '--template'
• Root cause: Typer Group + nested cache command made Click parse options after the project dir as subcommands
• Scaffold is now a single TyperCommand; cache still routed via main() argv preprocess
• Regression test + bump create-awesome-python-app to 0.2.7

Test plan

• CI green
• uvx create-awesome-python-app@0.2.7 my-api --template fastapi-starter --addons github-setup --no-interactive works after publish

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