Correct docs for user fontSize

Add package-lock.json in update dist action

Update dist

Correct base line-height

Update dist

Fix zoom issue

Update dist

Correct ligature submodule

Add Atkinson Hyperlegible in variable fonts doc

Update dist

Update theming vars

Update dist

Update theming properties

Update package for dist

Merge pull request #163 from readium/theming-improvements

Update dist

Bump version to beta

Update dist

Bump version

Make custom colors consistent with night mode

Update dist

Remove headings from user text color filter

Update dist

Correct visited link hook

Update dist

Filter a (link) when textColor is applied

Add visual tests

Update docs for theming updates