include .ایران TLD for IR domains (#1037)

web/html/xui/settings.html

@@ -495,6 +495,7 @@
                     ],
                     ir: [
                         "regexp:.*\\.ir$",
+                        "regexp:.*\\.xn--mgba3a4f16a$",  // .ایران
                         "ext:iran.dat:ir",
                         "ext:iran.dat:other",
                         "geosite:category-ir"