[ios] Improved text thickness in combination with branch name

Signed-off-by: Yannik Bloscheck <git@yannikbloscheck.com>

iphone/Maps/Categories/UIColor+MapsMeColor.h

@@ -4,6 +4,7 @@ NS_ASSUME_NONNULL_BEGIN
 
 @interface UIColor (MapsMeColor)
 
++ (UIColor *)black;
 + (UIColor *)blackPrimaryText;
 + (UIColor *)blackSecondaryText;
 + (UIColor *)blackHintText;

iphone/Maps/Categories/UIColor+MapsMeColor.m

@@ -68,6 +68,11 @@ static BOOL isNightMode = NO;
 {
   return StyleManager.shared.theme.colors.buttonRed;
 }
++ (UIColor *)black
+{
+  return StyleManager.shared.theme.colors.black;
+}
+
 + (UIColor *)blackPrimaryText
 {
   return StyleManager.shared.theme.colors.blackPrimaryText;