docs: update API documentation links in READMEs

Author: andrei-cristea

README.md

@@ -17,7 +17,7 @@ on the Keypop website [keypop.org](https://keypop.org/).
 API Javadoc is available [here](https://docs.keypop.org/keypop-reader-java-api).
 
 API documentation and class diagram is available
-[here](https://reader-uml.terminal-api.calypsonet.org/).
+[here](https://docs.terminal-api.calypsonet.org/calypsonet-terminal-reader-uml-api/).
 
 ## About the source code
 

gradle.properties

@@ -2,7 +2,7 @@
 group = org.eclipse.keypop
 title = Keypop Reader API
 description = API to manage readers and process card selections
-version = 2.1.0-SNAPSHOT
+version = 2.1.1-SNAPSHOT
 
 # Java Configuration
 javaSourceLevel = 1.8