Terminal application view framework

[jvalkeal]

Epic issue collecting planned work.

Generic discussion in github discussions thread #760

• Initial View Framework #800
• Revisit class locations in view framework #813
• Bind all keys in view framework #823
• Theming system for view framework #824
• Support modal views #825
• Hotkey system for view framework #826
• MenuView sub-menu support #827
• MenuView radio/checked support #832
• InputView better unicode handling #845
• Consider moving terminal ui to its own module #847
• Using terminal ui in flow components #850
• Initial ButtonView Implementation #854
• Initial DialogView Implementation #855
• Initial ProgressView implementation #995
• Using Terminal UI with normal commands #1005
• TerminalUI full screen off on windows #1041
• Disable quick edit mode with mouse support #1044
• No mouse support in new windows terminal #1045
• Initial Documentation

[jvalkeal]

Just a note about a0bdbfc as it didn't get mentioned in a commit. Further work happens in a mentioned issue.