added apache commons collections version 4.4

build.gradle

@@ -31,6 +31,7 @@ dependencies {
     implementation 'org.apache.logging.log4j:log4j-api:2.17.1'
     implementation 'org.apache.logging.log4j:log4j-core:2.17.1'
     implementation 'org.openjfx:javafx-controls:18'
+    implementation group: 'org.apache.commons', name: 'commons-collections4', version: '4.4'
     testImplementation('org.junit.jupiter:junit-jupiter:5.8.2')
 }
 

src/main/java/ch/unibas/dmi/dbis/cs108/sebaschi/CentralServerData.java

@@ -0,0 +1,8 @@
+package ch.unibas.dmi.dbis.cs108.sebaschi;
+
+/**
+ * This Class represents
+ */
+public class CentralServerData {
+
+}

src/main/java/ch/unibas/dmi/dbis/cs108/sebaschi/GameSessionData.java

@@ -0,0 +1,5 @@
+package ch.unibas.dmi.dbis.cs108.sebaschi;
+
+public class GameSessionData {
+
+}