[Feature request]: Font family drop down with custom fonts family

[ayushLemosys]

Description

Is font family drop down possible in the toolbar.
and also can you create some functionality like create custom button in toolbar configuration.

Problem Statement/Justification

Can we add a drop down for the font family to apply on selected text from editor content and until i change the family that will be continue to next text.
custom button in the tool bar that will help us to make any desirable button in tool bar.

Additional Information

the custom button in the toolbar configuration code something like this

[
      {
        name: 'customButton',
        icon: '🔤', // or use an icon from FontAwesome, etc.
        tooltip: 'Custom Button',
        command: () => this.customAction(),
      }
    ]

Willing to submit a PR?

None