chore: Add sponsor

BACKERS.md

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+# Sponsors & Backers
+
+Vuese is an MIT-licensed open source project. It's an independent project with its ongoing development made possible entirely thanks to the support by awesome backers and sponsors. If you'd like to join them, please consider:
+
+- [Become a backer or sponsor on Patreon](https://www.patreon.com/HcySunYang)
+- [Donate via PayPal](https://www.paypal.me/HcySunYang)
+- [Donate via AliPay](https://user-images.githubusercontent.com/14146560/50809990-1275f380-1342-11e9-85d2-8924b9fca7d2.jpg)
+- [Donate via Wechat](https://user-images.githubusercontent.com/14146560/50810019-3fc2a180-1342-11e9-9380-de4ad9991b04.png)
+
+## Backers
+
+- Auctionologies LLC [@davidmoshal](https://github.com/davidmoshal)