Update version to 4.2.1

Anyline Tire Demo.xcodeproj/project.xcworkspace/xcshareddata/swiftpm/Package.resolved

@@ -9,13 +9,22 @@
         "version" : "5.8.1"
       }
     },
+    {
+      "identity" : "anyline-tiretread-spm-module",
+      "kind" : "remoteSourceControl",
+      "location" : "https://github.com/Anyline/anyline-tiretread-spm-module",
+      "state" : {
+        "revision" : "4477a51d26ffd4ed280a4bee2dfdb6d208d82e90",
+        "version" : "4.2.1"
+      }
+    },
     {
       "identity" : "keychain-swift",
       "kind" : "remoteSourceControl",
       "location" : "https://github.com/evgenyneu/keychain-swift.git",
       "state" : {
         "branch" : "master",
-        "revision" : "95219e66c94b6ba25e7d6ece7aecf1ea13134174"
+        "revision" : "6b6fc468877a5f01fe211fcf0af840b9ecce9d98"
       }
     },
     {
@@ -24,7 +33,7 @@
       "location" : "https://github.com/SnapKit/SnapKit.git",
       "state" : {
         "branch" : "develop",
-        "revision" : "4d52cc3768ec5d345827b063dfa59e98a929965d"
+        "revision" : "4478b2234e85c36b9f2c855d909037dc4dc08eda"
       }
     }
   ],

Anyline Tire Demo.xcodeproj/xcshareddata/xcschemes/Anyline Tire Demo.xcscheme

@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-   LastUpgradeVersion = "1200"
+   LastUpgradeVersion = "1430"
    version = "1.7">
    <BuildAction
       parallelizeBuildables = "YES"

Anyline Tire Demo/DataStorage/UserDefaultsManager.swift

@@ -56,4 +56,18 @@ struct UserDefaultsManager {
             UserDefaults.standard.setValue(newValue.ordinal, forKey: "scanSpeed")
         }
     }
+
+    var showGuidance: Bool {
+        get {
+            let showGuidanceObject = UserDefaults.standard.object(forKey: "showGuidance")
+
+            if (showGuidanceObject == nil){
+                return true
+            }
+            return UserDefaults.standard.bool(forKey: "showGuidance")
+        }
+        set {
+            UserDefaults.standard.setValue(newValue, forKey: "showGuidance")
+        }
+    }
 }