refactor: Projektstruktur in app/ und backend/ aufgeteilt

backend/src/main/resources/application-dev.properties

@@ -0,0 +1,14 @@
+# Development-specific configuration
+
+# MongoDB - Development database
+spring.data.mongodb.uri=${MONGODB_URI}
+
+# Enable browser launch in development
+vaadin.launch-browser=true
+
+# Development logging levels
+logging.level.de.assecutor.votianlt=DEBUG
+logging.level.root=INFO
+
+# Development file logging - more verbose
+logging.file.name=logs/votianlt-dev.log