Contributor's Guide: Adding Translations

[BattlefieldDuck]

Thanks for your interest in contributing translations to Game Server Monitor!

Here are the steps to contribute:

1. Fork this repository. https://github.com/DiscordGSM/GameServerMonitor/fork
2. Edit the JSON file on your repository. See: https://github.com/DiscordGSM/GameServerMonitor#languages
3. Edit the README.md, and add your name!
4. Create a new pull request.

The default locale file is en-US.json, I had already edited zh-CN.json and zh-TW.json, you may check it as an example.

Thank you so much for contributing!