Update README and code to remove folder registration option

electron/preload.cjs

@@ -8,7 +8,7 @@ contextBridge.exposeInMainWorld('electronAPI', {
   checkForUpdates: () => ipcRenderer.invoke('check-for-updates'),
   setSetting: (key, value) => ipcRenderer.invoke('set-setting', key, value),
   updateSettings: (settings) => ipcRenderer.invoke('update-settings', settings),
-  pickPaths: (options = {}) => ipcRenderer.invoke('pick-paths', options),
+  pickPaths: () => ipcRenderer.invoke('pick-paths'),
   openPath: (filePath) => ipcRenderer.invoke('open-path', filePath),
   openExternalLink: (event) => {
     event.preventDefault();