Add Hebrew Layout

[Eric G.D]

Checklist

• • I made sure that there are no existing issues - open or closed - to which I could contribute my information.
• • I have read the FAQ and my problem isn't listed.
• • I have taken the time to fill in all the required details. I understand that the feature request will be dismissed otherwise.
• • This issue contains only one feature request.
• • I have read and understood the contribution guidelines.

Is your feature request related to a problem? Please describe.
I recently switched for the long-unmaintained Openboard (which is an open source fork of the AOSP's keyboard) to SMT's Keyboard. Unfortunately, it doesn't have Hebrew Layout.

Describe the solution you'd like
Add the layout.

Describe alternatives you've considered
N/A

Additional context
Consider taking reference from Openboard or any well-known alternative keyboards