Added the editor config to the mac project

Comet.Mac.sln

@@ -41,6 +41,11 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Material", "Material", "{38
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Comet.Material.iOS", "src\Material\Comet.Material.iOS\Comet.Material.iOS.csproj", "{86DE0847-5552-4103-AA9F-53A5C8BDDAAE}"
 EndProject
+Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution Items", "{BC86B934-3C23-4DA8-A4F4-BB2B0C298DF5}"
+	ProjectSection(SolutionItems) = preProject
+		.editorconfig = .editorconfig
+	EndProjectSection
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU