Updated to describe current UI

[maueroats]

Description

Update to the documentation so the current Hetzner Cloud user interface is described.

Motivation and Context

The existing documentation refers to menus that are no longer there.

How Has This Been Tested?

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [X] Documentation only

Checklist:

• [X] I have read the CONTRIBUTING document.
• [X] My code follows the code style of this project.
• [] My change requires a change to the documentation.
• [X] I have updated the documentation accordingly.
• [] I have added tests to cover my changes.
• [] All new and existing tests passed.

[CLAassistant]

All committers have signed the CLA.