add files

Pixiview.iOS/Services/EnvironmentService.cs

@@ -0,0 +1,22 @@
+using Pixiview.iOS.Services;
+using Pixiview.Utils;
+using Xamarin.Forms;
+
+[assembly: Dependency(typeof(EnvironmentService))]
+namespace Pixiview.iOS.Services
+{
+    public class EnvironmentService : IEnvironmentService
+    {
+        public EnvironmentParameter GetEnvironment()
+        {
+            return new EnvironmentParameter
+            {
+                IconLightFontFamily = "FontAwesome5Pro-Light",
+                IconRegularFontFamily = "FontAwesome5Pro-Regular",
+                IconSolidFontFamily = "FontAwesome5Pro-Solid",
+
+                IconLeft = "\uf104"     // for android, it's "\uf060"
+            };
+        }
+    }
+}