Manager struct to ensure encapsulation of font names

FontNameManager.swift

// FontNameManager created by Brady Murphy

struct FontNameManager {
  //MARK: name of font family
  struct Montserrat {
    static let light = "Montserrat-Light"
    static let regular = "Montserrat-Regular"
    // add rest of the font style names
  }
  
  // ... structs for other typefaces
}