Add CI badge to README #16
Description
The CI from #12 is currently well-hidden, we should add the badge to the README.
The CI is at https://ci.appveyor.com/project/xboxdev-bot/a56
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The CI from #12 is currently well-hidden, we should add the badge to the README.
The CI is at https://ci.appveyor.com/project/xboxdev-bot/a56