Update General Settings Info

[IronRico]

The "General Settings" details need to be updated. This section can be found here in the mdEditor user guide.

It currently appears like this in the guide:

This is how it appears in the current interaction of mdEditor:

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Proper wording needs to be added to include the new options of Copy/Delete in edit mode.

Here is a rough concept of how that might look.

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Please provide any suggestions that might improve this.

[IronRico]

Updates:

I made some of the proposed changes on my own repo. Please see the screenshot below.

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Please advise on what you think works or does not work. The wording is a bit of a place holder for the time being so feel free to advise on any concepts that need to be addressed.