Update README.md

Author: Daniel Bustamante Ospina

README.md

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 The purpose of reactive-commons is to provide a set of abstractions and implementations over different patterns and practices that make the foundation of a reactive microservices architecture.
 
 Docs: https://reactivecommons.org/reactive-commons-java/
+Other projects: https://github.com/bancolombia
+Sponsor by: https://medium.com/bancolombia-tech
 
 Even though the main purpose is to provide such abstractions in a mostly generic way such abstractions would be of little use without a concrete implementation so we provide some implementations in a best effors maner that aim to be easy to change, personalize and extend.