You can read the book at the following links.
Building the book requires mdBook, you can install it using cargo.
cargo install mdbook
To build the book:
mdbook build docs/en
While writing it can be handy to see your changes, mdbook serve
will launch a local web
server to serve the book.
mdbook serve docs/en --open
Using cspell
npm install -g cspell
cspell -c ./cspell.json "docs/{en,ja}/src/**"
In VScode, You can use Code Spell Checker
to check spelling without executing the above command.