Implemented a screen displaying the history of operations with the board. Added dialogs for displaying messages and statuses

qml/Screens/StatusPopup.qml

@@ -0,0 +1,48 @@
+import QtQuick 2.12
+import QtQuick.Controls 2.12
+
+import Controls 1.0 as Controls
+import Utils 1.0
+
+Popup {
+    id: root
+    x: (parent.width - width) / 2
+    y: parent.height - height - 20
+    closePolicy: Popup.NoAutoClose
+
+    property string text: ""
+    property bool good: true
+
+    Controls.SubtitleLabel {
+        id: label
+        text: root.text
+        maximumLineCount: 10
+        wrapMode: Text.Wrap
+        color: Palette.alternativeTextColor
+    }
+
+    background: Rectangle {
+        radius: 6
+        color: good ? Palette.alternativeBackgroundColor : Palette.invalidColor
+        border.width: 1
+        border.color: Palette.borderColor
+    }
+
+    enter: Transition {
+        NumberAnimation {
+            property: "opacity"
+            from: 0.0
+            to: 1.0
+            duration: 300
+        }
+    }
+
+    exit: Transition {
+        NumberAnimation {
+            property: "opacity"
+            from: 1.0
+            to: 0.0
+            duration: 2500
+        }
+    }
+}