Add Missing Text View Settings

[thecoolwinter]

Description

This implements a few settings for parameters available in CodeEditTextView that haven't been made available yet in CodeEdit:

• Indent Options, whether to space or tab on a tab key press
• Bracket Highlights, when the user's cursor is next to a bracket highlight the opposite pair or both brackets.

Related Issues

• N/A

Checklist

• I read and understood the contributing guide as well as the code of conduct
• The issues this PR addresses are related to each other
• My changes generate no new warnings
• My code builds and runs on my machine
• My changes are all related to the related issue above
• I documented my code

Screenshots

Bracket Pair Highlighting:

flash.mov

Indent Options:

indent.mov

[austincondiff]

Very nice @thecoolwinter. Nothing needs to be done now, but as a small note, in the future we will want to use standard colors from the system and theme for the bracket highlight color. Looks great!

[0xWDG]

LGTM;

Please note the conflict in CodeEdit.xcodeproj/project.pbxproj.