Feat: CustomFontStyle 추가

- 디자인 시스템에 정의되어 있는 폰트 외에도 정의해서 사용할 수 있도록 custom 케이스 추가

Author: choijungp

Projects/Presentation/Sources/Common/DesignSystem/Font/BitnagilFont.swift

@@ -16,6 +16,21 @@ struct BitnagilFont {
         self.weight = weight
     }
 
+    init(fontSize: CGFloat,
+         lineHeight: CGFloat,
+         letterSpacing: CGFloat = 0,
+         underline: Bool = false,
+         weight: FontWeight
+    ) {
+        let attributes = FontAttributes(
+            fontSize: fontSize,
+            lineHeight: lineHeight,
+            letterSpacing: letterSpacing,
+            underline: underline)
+        self.style = .custom(fontAttribute: attributes)
+        self.weight = weight
+    }
+
     var font: UIFont {
         guard let font = UIFont(name: weight.fontName, size: style.fontAttributes.fontSize) else {
             return UIFont.systemFont(ofSize: style.fontAttributes.fontSize)

Projects/Presentation/Sources/Common/DesignSystem/Font/FontStyle.swift

@@ -25,6 +25,8 @@ enum FontStyle {
     case button1
     case button2
 
+    case custom(fontAttribute: FontAttributes)
+
     var fontAttributes: FontAttributes {
         switch self {
         case .headline1: FontAttributes(fontSize: 26, lineHeight: 38, letterSpacing: -0.5)
@@ -45,6 +47,8 @@ enum FontStyle {
 
         case .button1: FontAttributes(fontSize: 16, lineHeight: 24)
         case .button2: FontAttributes(fontSize: 14, lineHeight: 20)
+
+        case .custom(let fontAttribute): fontAttribute
         }
     }
 }