added helper for TextStyle extension

Signed-off-by: Matt Bruce <matt.bruce@verizon.com>

MVMCoreUI/Atomic/Extensions/VDS-TextStyle.swift

@@ -29,3 +29,17 @@ extension Styler.Font {
     }
 }
 
+extension VDS.Font {
+    internal static func from(fontName: String) -> Self? {
+        Self.allCases.filter({$0.fontName == fontName }).first
+    }
+}
+
+extension VDS.TextStyle {
+    internal static func style(from font: VDS.Font, pointSize: CGFloat) -> TextStyle? {
+        guard let first = allCases.filter({$0.fontFace == font && $0.pointSize == pointSize}).first else {
+            return TextStyle(rawValue: "Custom-TextStyle", fontFace: font, pointSize: pointSize)
+        }
+        return first
+    }
+}