chore: Update README.md (#668)

Add capacitor plugin

Author: riderx

README.md

@@ -63,6 +63,7 @@ Apps and libraries powered by this library. To be included in the following list
 - [NativeScript Background HTTP](https://www.npmjs.com/package/nativescript-background-http)
 - [Samajbook](https://play.google.com/store/apps/details?id=com.marothiatechs.samaj)
 - [Codeaty](https://play.google.com/store/apps/details?id=com.saifraheem.BagoLearn)
+- [Capacitor Background Upload](https://github.com/Cap-go/capacitor-uploader)
 
 ## Credits <a name="credits"></a>
 Created my free logo at [LogoMakr.com](https://logomakr.com)