- header logo link to practical.li, book title link to book home
- dev: checkout action v4 & sparse-checkout in GitHub workflows
- mdocs: emoji extension update for material 9.4
- dev: practicalli standard CI workflows and configs
- mkdocs: practicalli custom css rounded buttons
- dev: set markdown and make as github repository language attributes
- dev: use inclusive git ignore patters
- readme: update CI status badges
- dev: update makefile with practicalli standard task
- readme: book description & content simplification