tugger-wix: Add option to add start menu shortcut.#714

andrewleech wants to merge 2 commits intoindygreg:mainindygreg/PyOxidizer:mainfrom

andrewleech:tugger_wix_start_menu_shortcutandrewleech/PyOxidizer:tugger_wix_start_menu_shortcutCopy head branch name to clipboard