update asset catalog

Resources/Assets.xcassets/regular.imageset/Contents.json

@@ -1,17 +1,17 @@
 {
   "images" : [
     {
-      "filename" : "ShhShell 3.png",
+      "filename" : "ShhShell@1x.png",
       "idiom" : "universal",
       "scale" : "1x"
     },
     {
-      "filename" : "ShhShell 2.png",
+      "filename" : "ShhShell@2x.png",
       "idiom" : "universal",
       "scale" : "2x"
     },
     {
-      "filename" : "ShhShell 1.png",
+      "filename" : "ShhShell@3x.png",
       "idiom" : "universal",
       "scale" : "3x"
     }

ShhShell/Settings/AppSettings.swift

@@ -31,11 +31,12 @@ enum TerminalFilter: Codable, CaseIterable, Equatable {
 
 enum AppIcon: Codable, CaseIterable, Equatable {
 	case regular
-	case blueprint
+	case beta
+	case betaBlueprint
 	
 	var image: Image {
 		switch self {
-		case .regular, .blueprint:
+		case .regular, .beta, .betaBlueprint:
 			Image("\(self)")
 		}
 	}