working in first importer: JenaRosenkeller

Signed-off-by: Stephan Richter <s.richter@srsoftware.de>

de.srsoftware.cal.app/build.gradle.kts

@@ -0,0 +1,6 @@
+description = "OpenCloudCal : Application"
+
+dependencies {
+    implementation(project(":de.srsoftware.cal.api"))
+    implementation(project(":de.srsoftware.cal.importer"))
+}

de.srsoftware.cal.app/src/main/java/de/srsoftware/cal/app/Application.java

@@ -0,0 +1,12 @@
+/* © SRSoftware 2024 */
+package de.srsoftware.cal.app;
+
+import de.srsoftware.cal.importer.JenaRosenkeller;
+import java.io.IOException;
+
+public class Application {
+	public static void main(String[] args) throws IOException {
+		var rosenkeller = new JenaRosenkeller();
+		rosenkeller.fetch();
+	}
+}