Make it easier to provide feedback

[pocc]

Problem

There's no "I found a bug" or "Feature Request" buttons in the Misc menu. Making them easier to access will encourage people to use them. For point of comparison, Chrome has a "Create an issue..." under their Help menu on Macos.

Describe the solution you'd like

Add 2 menu items with these links:

• bug report: https://github.com/gcla/termshark/issues/new?assignees=&labels=&template=bug_report.md&title=
• feature request: https://github.com/gcla/termshark/issues/new?assignees=&labels=&template=feature_request.md&title=

Describe alternatives you've considered

People could look up the repo and find issues like they currently do?

Additional context

It would probably go under FAQ, but neither of these would need their own shortcut.

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Thoughts?

[gcla]

Excellent idea