Fix sidebar navigation list toggle.

Prettier managled `@include breakpoint` media queries causing the input/checkbox toggle hack styles to go missing.

Fixes #1819

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Merge branch 'master' of https://github.com/mmistakes/minimal-mistakes

Place `:hover` declarations after `:visited` to fix hover animation

Fixes #1820

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Release 4.12.2 💎

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Add Italian translation for search (#1793)

Adjust toc indents

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Update jekyll-toc to v1.0.5

Allow heading levels 1-6 in table of contents

Adjust minimum and maximum levels to allow all headings and fix CSS to style indentation and nested lists properly in jekyll-toc and Kramdown generated table of contents.

Fixes #1782

Reduce padding and adjust toc `font-size`

Fit more text to handle indentation better.

Ref: #1782

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Fix: use relative links for menu items when possible (#1783) (#1784)

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Fixing scaling issue w. emoji in Sidebar Author Profile (#1780)

* Fixing scaling issue w. emoji in Sidebar Author Profile

Had the same issue as in mmistakes#1554

So should there be more demand for having emojis in sidebar, this style change fixes it

* Fix indendation and nesting

Adjust height of navigation toggle

Update Staticman commit message to include name

Switch `$nav-height` to a relative unit