NFC-47 Update readme

Author: SanderKondratjevNortal

example/README.md

@@ -100,7 +100,8 @@ This repository contains the code of a minimal Spring Boot web application that
 -   Spring Security,
 -   the Web eID authentication token validation library [_web-eid-authtoken-validation-java_](https://github.com/web-eid/web-eid-authtoken-validation-java),
 -   the Web eID JavaScript library [_web-eid.js_](https://github.com/web-eid/web-eid.js),
--   the digital signing library [_DigiDoc4j_](https://github.com/open-eid/digidoc4j).
+-   the digital signing library [_DigiDoc4j_](https://github.com/open-eid/digidoc4j),
+-   the Android application [_MOPP-Android_](https://github.com/open-eid/MOPP-Android/).
 
 The project uses Maven for managing the dependencies and building the application. Maven project configuration file `pom.xml` is in the root of the project.
 
@@ -118,6 +119,7 @@ The `src/main/java/eu/webeid/example` directory contains the Spring Boot applica
 -   `web`: Spring Web MVC controller for the welcome page and Spring Web REST controllers that provide endpoints
     -   for getting the challenge nonce used by the authentication token validation library,
     -   for digital signing.
+    -   for initializing and handling the mobile login and digital signing flow
 
 The `src/resources` directory contains the resources used by the application: