chore: add text style - headline5

packages/pinball_ui/lib/src/theme/pinball_text_style.dart

@@ -37,6 +37,13 @@ abstract class PinballTextStyle {
     fontFamily: _primaryFontFamily,
   );
 
+  static const headline5 = TextStyle(
+    color: PinballColors.white,
+    fontSize: 14,
+    package: _fontPackage,
+    fontFamily: _primaryFontFamily,
+  );
+
   static const subtitle2 = TextStyle(
     color: PinballColors.white,
     fontSize: 16,

packages/pinball_ui/lib/src/theme/pinball_theme.dart

@@ -16,6 +16,7 @@ class PinballTheme {
       headline2: PinballTextStyle.headline2,
       headline3: PinballTextStyle.headline3,
       headline4: PinballTextStyle.headline4,
+      headline5: PinballTextStyle.headline5,
       subtitle1: PinballTextStyle.subtitle1,
       subtitle2: PinballTextStyle.subtitle2,
     );