first commit: +README and preparation for mdbook
treee3f5af80937fd9b751e70533f265e6c493d6a640
-rw-r--r-- 546 .build.yml
-rw-r--r-- 96 .gitignore
drwxr-xr-x - .reuse
drwxr-xr-x - LICENSES
-rw-r--r-- 1325 README.md
-rw-r--r-- 703 book.toml
drwxr-xr-x - src