added insuranceSum calculation missing breed, age factors and yearly premium

src/main/java/com/pfefferminzia/petinsurance/Main.java

@@ -0,0 +1,15 @@
+package com.pfefferminzia.petinsurance;
+
+import java.time.LocalDate;
+import com.pfefferminzia.petinsurance.animals.Dog;
+import com.pfefferminzia.petinsurance.calculations.Calculations;
+import com.pfefferminzia.petinsurance.tariffs.Tariff;
+
+public class Main {
+    public static void main(String[] args) {
+        Dog dog = new Dog(LocalDate.of(2020, 4, 14), "Husky");
+        Calculations calc = new Calculations();
+        System.out.println(calc.calculateInsuranceSum(dog, Tariff.OPTIMAL, LocalDate.of(2026, 1, 2)));
+        
+    }
+}