Added test instance urls in the README

README.md

@@ -50,4 +50,17 @@ npm install; ./node_modules/.bin/webpack-cli
 Run:  
 `
 export FLASK_APP=hiboo; flask run  
-`
+`
\ No newline at end of file
+
+### Test instance
+
+Our test instance is running at: https://auth.test.tedomum.net
+
+You can find some test services at :
+
+ - https://write.test.tedomum.net
+ - https://seafile.test.tedomum.net
+ - https://nextcloud.test.tedomum.net
+ - https://riot.test.tedomum.net
+
+Please contact us if you want specific permissions on the test instance.