Add MIT license and improve documentation

Add CI/CD provider configuration option

Remove update-test job

Use fetch-depth: 0 for copier update test

Use --vcs-ref HEAD for copier update in CI

Skip pre-commit hooks for update-test modification commit

Fix update-test git identity for CI environment

Fix template validation to use copier dry-run

Add GitHub Actions workflow for template testing

Use main as default branch and install prek via uvx

Add prek hooks for template repository validation

Add devcontainer support for AI coding assistant

Add pyrefly as alternative type checker option

Replace pre-commit with prek for faster hook execution

Rename logging module to avoid stdlib collision