Add New Madara sources

dart/manga/multisrc/madara/src/gatemanga/gatemanga.dart

@@ -0,0 +1,13 @@
+import '../../../../../../model/source.dart';
+
+Source get gatemangaSource => _gatemangaSource;
+Source _gatemangaSource = Source(
+    name: "Gatemanga",
+    baseUrl: "https://gatemanga.com",
+    lang: "ar",
+    isNsfw:false,
+    typeSource: "madara",
+    iconUrl: "https://raw.githubusercontent.com/kodjodevf/mangayomi-extensions/bbranchNamee/dart/manga/multisrc/madara/src/gatemanga/icon.png",
+    dateFormat:"d MMMM، yyyy",
+    dateFormatLocale:"ar"
+  );