Merge branch 'master' into 27-spring-boot-restserver-with-module-info

.gitlab-ci.yml

.vscode/launch.json

.vscode/settings.json

todolist/architecture.puml

todolist/fxui/pom.xml

todolist/fxui/src/main/java/module-info.java

todolist/fxui/src/main/java/todolist/ui/TodoApp.java

todolist/fxui/src/test/java/todolist/ui/TodoAppTest.java

...xui/src/test/java/todolist/ui/TodoListControllerTest.java

todolist/integrationtests/pom.xml

...integrationtests/src/test/java/todolist/ui/TodoAppIT.java

todolist/pom.xml