Results 5 issues of Spawn

``` Future preparePlayer(String path, [double? volume]) async { path = Uri.parse(path).path; await _readAudioFile(path); if ((_playerState == PlayerState.readingComplete && _audioFilePath != null)) { final isPrepared = await AudioWaveformsInterface.instance .preparePlayer(path, _playerKey.toString(), volume);

左上角的Logo,一闪一闪的亮瞎眼,没法沉浸式使用了。。。

**I got a crash log when I run it with common app.** setprop: failed to set property 'service.adb.tcp.port' to '-1' sh: /sbin/adbd: not found Initializing grabber method... No grabber method...

改动点 1. 升级openwrt 为21.02.5 2. 更新最新的安装脚本 3. 增加github actions编译脚本 Changelogs: 1. Upgrade OpenWrt to 21.02.5 2. Update to the latest uu installation scripts 3. Add GitHub Actions build scripts