Add Opening Hours info to the Json file

[KWangechi]

There is need to include opening hours for the bank branches but it will be divided into 2, openingTimeWeekdays, closingTimeWeekends, openingTime Weekends, closingTimeWeekdays, like so:

{
"bank_name": "Equity",
"branches":
 [
   {
    "branch_name: "Nairobi - Head Office",
    "openingTimeWeekdays": "8:00am",
    "openingTimeWeekends": "5:00pm",
    "closingTimeWeekdays": "8:00am",
    "closingTimeWeekends": "1:00pm",
   }
 ]
}