feat: adds savinngsAccount overide methods

chore: whitespace in BankAtmTest

Author: AmiyahJo

lesson_17/bank/bank_app/src/main/java/com/codedifferently/lesson17/bank/SavingsAccount.java

@@ -6,7 +6,17 @@
 
 public class SavingsAccount extends CheckingAccount {
     public SavingsAccount(String accountNumber, Set<Customer> owners, double initialBalance) {
-        super(accountNumber, owners, initialBalance);
+        super(accountNumber, owners, Math.max(initialBalance, 0));
+    }
+ 
+    @Override
+    public void deposit(double amount) {
+        super.deposit(amount);
+    }
+
+    @Override
+    public void withdraw(double amount) {
+        super.withdraw(amount);
     }
 
 public void writeCheck(double amount) {

lesson_17/bank/bank_app/src/test/java/com/codedifferently/lesson17/bank/BankAtmTest.java

@@ -131,6 +131,6 @@ void testGetBusinessName() {
 
     //Act & Assert 
     assertThat(businessAccount.getBusinessName());
-}
+  }
 
 }