update sponsor

README.md

@@ -5,7 +5,7 @@ issuer.html
 | *issuer.html*
 | [issuer.rest.walnut.js](https://git.oauth3.org/OAuth3/issuer.rest.walnut.js)
 | [issuer.srv](https://git.oauth3.org/OAuth3/issuer.srv)
-| Sponsored by [Daplie](https://daplie.com)
+| Sponsored by [ppl](https://ppl.family)
 
 
 This is a browser application which implements the issuer side of the *authorization_dialog* flow for OAuth3.