Not released yet

### 💅 Polish
- [Script for add/remove slave DNS server [FEATURE REQUEST] #313](https://github.com/stefanpejcic/OpenPanel/issues/313)
- [stop using cdn and locally build css/js files #484](https://github.com/stefanpejcic/OpenPanel/issues/484)

### 🐛 Bug Fixes
- fixed css bugs in OpenPanel Dashboard, FileManager, Containers pages.
- fixed css bugs in OpenAdmin Dashboard, API Access, Locales.
- fixed bugs with FileManager, PHP, MySQL and Domains modules missing from OpenPanel sidebar menu.
- fixed broken links for translations on *OpenAdmin > Settings > Locales*.
- fixed bug with ip address not being displayed in *OpenPanel > Dashboard* widget.
- fixed broken link on *Average Load* widget in *OpenAdmin > Dashboard*.