message: feat(tests): test that the book builds
diff: @@ -12,6 +12,15 @@ matrix:
  - cargo fmt --all -- --check
  env: RUST_BACKTRACE=1
  + # book
  + - rust: stable
  + before_script:
  + - (test -x $HOME/.cargo/bin/cargo-install-update || cargo install cargo-update)
  + - (test -x $HOME/.cargo/bin/mdbook || cargo install --vers "^0.1" mdbook)
  + - cargo install-update -a
  + script:
  + - cd docs && mdbook build
  +
  # dist linux binary
  - env: TARGET=x86_64-unknown-linux-musl DEPLOY=1
  rust: nightly
  