feat: first UI update

mywinheader.h

@@ -0,0 +1,24 @@
+#ifndef MYWINHEADER_H
+#define MYWINHEADER_H
+
+#include <QLabel>
+#include <QObject>
+#include <QEvent>
+#include <QMouseEvent>
+#include <QDebug>
+
+class MyWinHeader : public QLabel
+{
+    Q_OBJECT
+public:
+    MyWinHeader(QWidget *parent = nullptr);
+private:
+    void mousePressEvent(QMouseEvent *event);
+    void mouseReleaseEvent(QMouseEvent *event);
+    void mouseMoveEvent(QMouseEvent *event);
+
+    int mouseX, mouseY, winX, winY;
+    bool isMousePressed = false;
+};
+
+#endif // MYWINHEADER_H