Equipment Standard

变更

1. 重构 equipmentstandard 的 tag 到 equipment_standard；
2. 重构数据包读取，现在只会读取 equipment_standard 下的数据了；
3. 添加 README。

完整更新日志

Changed

1. Reconstruct the tag of equipmentstandard to equipment_standard;
2. Reconstruct the data packet reading, now only the data under equipment_standard will be read;
3. Add README.

Full CHANGELOG