Selectable external players via the app

[saezon]

Instead of having to go to the server.js in C:\Users\[username]\AppData\Local\Programs\LNV\Stremio-4 and having to add the following code snippet per External Player we want to use. Just have this appear on the app to add/remove external player options.

MPC: {title: "MPC",args: [''],subArg: '/sub ',timeArg: 'start ',playArg: '',darwin: {path: []},linux: {path: []},win32: {path: ['"C:\\Program Files (x86)\\K-Lite Codec Pack\\MPC-HC64\\mpc-hc64.exe"', '"C:\\Program Files\\K-Lite Codec Pack\\MPC-HC64\\mpc-hc64.exe"']}},