Improve FancyZones window filtering (microsoft#856)

Improve FancyZones window filtering and filter out dialog windows

Fix lack of tray icon microsoft#268 by handling initial Shell_NotifyI…

…con failure (microsoft#789)

* Fix lack of tray icon microsoft#268 by handling initial Shell_NotifyIcon failure

Update README.md

Add example for appending an extension to files that do not have an extension

Fix setup event names (microsoft#576)

FancyZones and Shortcut Guide initial commit

Co-authored-by: Alexis Campailla <[email protected]>
Co-authored-by: Bret Anderson <[email protected]>
Co-authored-by: Enrico Giordani <[email protected]>
Co-authored-by: Jaime Bernardo <[email protected]>
Co-authored-by: Jeff Bogdan <[email protected]>
Co-authored-by: March Rogers <[email protected]>
Co-authored-by: Mike Harsh <[email protected]>
Co-authored-by: Nachum Bundak <[email protected]>
Co-authored-by: Oliver Jones <[email protected]>
Co-authored-by: Patrick Little <[email protected]>