Add reproducible build link

Author: jknack

README.md

@@ -2,8 +2,7 @@
 [![Javadoc](https://javadoc.io/badge/io.jooby/jooby.svg)](https://javadoc.io/doc/io.jooby/jooby/latest)
 [![Github](https://github.com/jooby-project/jooby/workflows/Full%20Build/badge.svg)](https://github.com/jooby-project/jooby/actions)
 [![Discord](https://img.shields.io/discord/1225457509909922015?label=discord)](https://discord.gg/nmfJmmrq)
-[![Become a Patreon](https://img.shields.io/badge/patreon-donate-orange.svg)](https://patreon.com/edgarespina)
-[![Donate](https://img.shields.io/badge/Donate-PayPal-blue.svg?logo=paypal&style=flat-square)](https://paypal.me/edgarespina)
+[![Reproducible Builds](https://img.shields.io/endpoint?url=https://raw.githubusercontent.com/jvm-repo-rebuild/reproducible-central/master/content/io/jooby/badge.json)](https://github.com/jvm-repo-rebuild/reproducible-central/blob/master/content/io/jooby/README.md)
 
 # ∞ do more, more easily