added location constructor

src/main/java/de/anxietyprime/swajodel/Location.java

@@ -3,4 +3,9 @@ package de.anxietyprime.swajodel;
 public class Location {
     public float longitude;
     public float latitude;
+
+    public Location(float longitude, float latitude) {
+        this.longitude = longitude;
+        this.latitude = latitude;
+    }
 }