refactor: :wrench: add `theme` option in `_quarto.yml`, and `brand` for Seedcase#170

lwjohnst86 merged 1 commit intomainseedcase-project/template-python-package:mainfrom

refactor/include-brand-in-quarto-ymlseedcase-project/template-python-package:refactor/include-brand-in-quarto-ymlCopy head branch name to clipboard