Update - Beta 0.9.1

The program has been updated with some minor fixes and quality of life improvements.

Changes:

• Added basic Keyboard navigation (Top menu and some buttons can be interacted with Alt + underlined letter) and shortcuts for opening and saving of files.
• Display of Time Entries in the Project Tab was improved for better readability. Tasks and Projects in the Project Tab tree view now also display the total accumulated time of contained Entries.