File structure update - all source files now in src directory, cider-ui renamed to renderer, main/backend-related files in main directory, base implementation of mpris and start of backend rework

resources/preload/cider-preload.js

@@ -1,8 +0,0 @@
-const electron = require('electron')
-
-console.log('Loaded Preload')
-
-process.once('loaded', () => {
-    console.log("Setting ipcRenderer")
-    global.ipcRenderer = electron.ipcRenderer;
-});