verify Bank

Step 1 - Show Verification Screen. 
Step 2  - Fetch List of bank Banks from paystack Api 
Endpoint . (https://api.paystack.co/bank) This is a `GET`request.
step 3 . Loop through the response you get from step two and display a drop down of the nice name
Step 4 : user enters account Number. 
Step 5 - User clicks verify Button 
Step 6 . : i. You get the account number from the field and assign to a vraiable
            ii. get the user bank name and find the sort code from the list you got in step 2. 
            you may have to use a forloop to get it.
Step 7 : Make a `POST` request to paystack api (initial gist i sent)
Step 7 : Parse the response if its either success or failure.