Release 4.16.5 💎

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Updated localized text string for "Punjabi" and "Hindi" language (#2212)

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Add localized text string

Fixes aria issues on search form (#2211)

* Fixes aria issues on search form
* Swapping aria-label for <label> tag in search
* Removing background gray caused by adding <form> tag to search
* Removing redundant space
* Making form not submit if key is enter

Close #2180

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Document `site.subtitle`

Use `span` instead of `div` element

Display site subtitle in masthead (#2205)

* Add site subtitle
* Tabs vs spaces - the ancient conflict
* updates cfr PR #2205
* Perhaps also add the closing anchor
* Make sure we check for the right variables...
* Brown paper bag - subtitle, not description

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Complete missing parts of Korean locale. (#2209)

search_placeholder_text, results_found, and back_to_top

Use Font Awesome Kits to use the latest version of icons

Close #2184

Remove unecessary console.log in `lunr-en.js` and `lunr-gr.js` JavaScript

Close #2193

Fix missing fallback title for table of contents

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remove unneeded  type="text/javascript" (#2190)

REF: 
- https://google.github.io/styleguide/htmlcssguide.html#type_Attributes
- https://codeguide.co/#html-style-script
- https://developers.google.com/analytics/devguides/collection/analyticsjs/

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Remove extra `{`

Fixes #2192

Add skip links

Close #2182