docs: add deprecation notice

Merge branch 'outer-copier-template-settings-changes' into 'main'

Fix linter errors

Enable strict linter checks

Update python version to 3.12

Update distribution name to reflect repo name

Merge branch 'update-copier-template-to-2.1.0' into 'main'

Regenerate lock file

Disable mypy because there are no python files to check

Fix tests linter errors

Regenerate lock file, now with poetry 2.x

Update copier version to 2.1.2

Update template to 2.1.0

Merge branch 'improve-contributing-guidelines' into 'main'

docs: explicitly explain some vscode, pre-commit conventions