Update env_logger version and remove dependency on index.hbs.

v0.2.0

chore: Update env_logger version and remove dependency on index.hbs.

Shlex dependabot update

Shlex dependabot update

Cargo Upgrade (dependencies)

v0.1.8

cargo upgrade

mdbook style logging

v0.1.7

mdbook style logging

Cargo Upgrade (dependencies)

v0.1.6

cargo upgrade

Cargo Upgrade (dependencies)

v0.1.5

cargo upgrade (dependencies)

Update Cargo.lock and version to v0.1.4

update version to 0.1.4

handle no header selected

v0.1.3

handle no header active

Use css for visibility settings of headers.

v0.1.2

update version

Remove unneeded features in mdBook.

This avoids miow and a bunch of other dependencies.