Update install.md

Update qredisclient

Improve UX for TreeView

* Show only last part for namespaced keys
* Show namespaces first
* Remove ignored option from Global Settings
* Fix namespace rendering with multichar ns separators

Fix RedisInsight#4962

Add dark mode for Windows 10

Fix issues with connection id's

Update qredisclient

Fix RedisInsight#4920

Fix RedisInsight#4868

Allow adding empty strings

Fix RedisInsight#4689

Improve Save button

- Remove updated value dialog
- Enable Save button onTextChanged
- Add valueUpdated signal
- Add "saving" state to Save button
- Show saving process indicator

Update translation files