Added superclass structure to roads and settlement

.idea/misc.xml

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <project version="4">
-  <component name="ProjectRootManager" version="2" languageLevel="JDK_X" default="true" project-jdk-name="openjdk-17" project-jdk-type="JavaSDK">
+  <component name="ProjectRootManager" version="2" languageLevel="JDK_17" default="true" project-jdk-name="openjdk-17" project-jdk-type="JavaSDK">
     <output url="file://$PROJECT_DIR$/out" />
   </component>
 </project>

src/ch/zhaw/catan/Road.java

@@ -1,19 +1,8 @@
 package ch.zhaw.catan;
 
-import java.util.HashMap;
-
-public class Road {
-    private HashMap<Config.Resource,Integer> buildCost;
-    private Config.Faction faction;
+public class Road extends Structure {
 
     public Road(Config.Faction faction) {
-        this.faction = faction;
-        buildCost = new HashMap<>();
-        buildCost.put(Config.Resource.BRICK,1);
-        buildCost.put(Config.Resource.LUMBER,1);
-    }
-
-    public HashMap<Config.Resource,Integer> getBuildCost() {
-        return buildCost;
+        super(faction);
     }
 }

src/ch/zhaw/catan/Structure.java

@@ -0,0 +1,9 @@
+package ch.zhaw.catan;
+
+public abstract class Structure {
+    private Config.Faction faction;
+
+    public Structure(Config.Faction faction) {
+        this.faction = faction;
+    }
+}