Update version to 0.8.1

- Use checkbox for Enable Discord Rich Presence option
- Cleanup code
- Replace new-window event with setWindowOpenHandler
- Update dependencies
- Update useragent

package.json

@@ -1,6 +1,6 @@
 {
   "name": "ms-365-electron",
-  "version": "0.8.0",
+  "version": "0.8.1",
   "description": "Unofficial Microsoft 365 Web Desktop Wrapper made with Electron",
   "main": "main.js",
   "repository": {