carmanaught

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 * Context menu for mpv using Tcl/Tk. Mostly proof of concept.
 * Avi Halachmi (:avih) https://github.com/avih
 * 
 * Features:
 * - Simple construction: ["<some text>", "<mpv-command>"] is a complete menu item.
 * - Possibly dynamic menu items and commands, disabled items, separators.
 * - Possibly keeping the menu open after clicking an item (via re-launch).
 * - Hacky pseudo sub menus. Really, this is an ugly hack.
 * - Reasonably well behaved/integrated considering it's an external application.