Not released yet

### 💅 Polish
- added `backup` module in features manager.
- backups are now enabled by default for new installations.
- 'PHP Extensions' are temporary removed from OpenPanel UI.
  

### 🐛 Bug Fixes
- [Incorrect directory owner when files are added before domains #472](https://github.com/stefanpejcic/OpenPanel/issues/472)
- [SSH connection via IPv6 is disconnected on installation #468](https://github.com/stefanpejcic/OpenPanel/issues/468)
- [Service php_fpm_8_3 does not have CPU or RAM limits defined #477](https://github.com/stefanpejcic/OpenPanel/issues/477)
- fixed css bug opening edit plan dropdown on *OpenAdmin > Plans*.
- fixed css bug with server hstname dispaly in OpenAdmin sidebar.