* Update the Czech translation of `addPeople`

* Update the Czech translation of `calendarSync`

* Update the Czech translation of `chat`

* Add the Czech translation of `chromeExtensionBanner`

* Update the Czech translation of `connectingOverlay` and `connection`

* Update the Czech translation of `connectionindicator`

* Update the Czech translation of `deepLinking`

* Update various strings in the Czech translation

* Update various strings in the Czech translation

* Fix a trailing comma that broke JSON

* Sort keys in main-cs.json to deduplicate the translation and make diffs from main.json more readable

* Add several missing strings in the Czech translation

* Add several missing strings in the Czech translation, mainly lobby mode

* Add several missing strings in the Czech translation, mainly `prejoin`

* Add the missing Czech translation of `recording` and `security`

* Update various strings in the Czech translation

* Add the missing Czech translation of `accessibilityLabel`

* Add the missing Czech translation of `toolbar`

* Update various strings in the Czech translation

* Update various strings in the Czech translation

* Various edits of the Czech translation and a spell check

* Add missing language names in the Czech translation