address requested changes regarding intro text

- change shouty NONE to empty
- clean up template string for better readibility and easier maintenance of intro text options

README.md

@@ -305,7 +305,7 @@ After setting the total amount the matching breakdown string for the set Afterpa
 ### Intro Text
 Setting `introText` is optional, will default to `or` and must be of type `AfterpayIntroText`.
 
-Can be any of `or`, `orTitle`, `pay`, `payTitle`, `make`, `makeTitle`, `payIn`, `payInTitle`, `in`, `inTitle` or `NONE` (no intro text).
+Can be any of `or`, `orTitle`, `pay`, `payTitle`, `make`, `makeTitle`, `payIn`, `payInTitle`, `in`, `inTitle` or `empty` (no intro text).
 Intro text will be rendered lowercase unless using an option suffixed with `Title` in which case title case will be rendered.
 
 ```swift

Sources/Afterpay/Model/PriceBreakdown.swift

@@ -38,7 +38,7 @@ struct PriceBreakdown {
 
     if let formattedPayment = formattedPayment, inRange {
       badgePlacement = .end
-      string = String(format: Strings.fourPaymentsFormat, introText.rawValue, formattedPayment)
+      string = String(format: Strings.fourPaymentsFormat, introText.rawValue, formattedPayment).trimmingCharacters(in: .whitespaces)
     } else if let formattedMinimum = formattedMinimum, let formattedMaximum = formattedMaximum {
       badgePlacement = .start
       string = String(format: Strings.availableBetweenFormat, formattedMinimum, formattedMaximum)

Sources/Afterpay/Resources/IntroText.swift

@@ -9,15 +9,15 @@
 import Foundation
 
 public enum AfterpayIntroText: String {
-  case NONE = ""
-  case make = "make "
-  case makeTitle = "Make "
-  case pay = "pay "
-  case payTitle = "Pay "
-  case `in` = "in "
-  case inTitle = "In "
-  case or = "or "
-  case orTitle = "Or "
-  case payIn = "pay in "
-  case payInTitle = "Pay in "
+  case empty = ""
+  case make = "make"
+  case makeTitle = "Make"
+  case pay = "pay"
+  case payTitle = "Pay"
+  case `in` = "in"
+  case inTitle = "In"
+  case or = "or"
+  case orTitle = "Or"
+  case payIn = "pay in"
+  case payInTitle = "Pay in"
 }

Sources/Afterpay/Resources/Strings.swift

@@ -21,7 +21,7 @@ enum Strings {
 
   static let availableBetweenFormat = "available for orders between %@ - %@"
   static let availableUpToFormat = "available for orders up to %@"
-  static let fourPaymentsFormat = "%@4 interest-free payments of %@ with"
+  static let fourPaymentsFormat = "%@ 4 interest-free payments of %@ with"
 
   // MARK: - Accessible Strings