refactor: generated equals and hashcode for tuples

src/main/java/uulm/teamname/marvelous/gamelibrary/Tuple.java

@@ -1,5 +1,7 @@
 package uulm.teamname.marvelous.gamelibrary;
 
+import java.util.Objects;
+
 /** Represents a pair of two objects. */
 public class Tuple<X, Y> {
     public final X item1;
@@ -14,4 +16,25 @@ public class Tuple<X, Y> {
     public static <X, Y> Tuple<X, Y> of(X x, Y y) {
         return new Tuple<X, Y>(x, y);
     }
+
+    @Override
+    public boolean equals(Object o) {
+        if (this == o) return true;
+        if (o == null || getClass() != o.getClass()) return false;
+        Tuple<?, ?> tuple = (Tuple<?, ?>) o;
+        return Objects.equals(item1, tuple.item1) && Objects.equals(item2, tuple.item2);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hash(item1, item2);
+    }
+
+    @Override
+    public String toString() {
+        return "Tuple{" +
+                "item1=" + item1 +
+                ", item2=" + item2 +
+                '}';
+    }
 }