fix everything

Author: tze088

src/main/java/seedu/address/logic/commands/group/AddMemberCommand.java

@@ -120,4 +120,4 @@ public String toString() {
                 .add("contactIndex", contactIndexes)
                 .toString();
     }
-}
+}

src/main/java/seedu/address/logic/commands/person/EditCommand.java

@@ -311,4 +311,4 @@ public String toString() {
                     .toString();
         }
     }
-}
+}