few changes in UI

Author: Veeransh14

ui/mainwindow.ui

@@ -103,33 +103,26 @@
     <bool>false</bool>
    </attribute>
   </widget>
+  <widget class="QMenuBar" name="menuBar">
+   <attribute name="geometry">
+    <rect>
+     <x>0</x>
+     <y>0</y>
+     <width>1024</width>
+     <height>25</height>
+    </rect>
+   </attribute>
+  </widget>
+  <widget class="QStatusBar" name="statusBar"/>
+  <widget class="QToolBar" name="toolBar">
+   <attribute name="toolBarArea">
+    <enum>TopToolBarArea</enum>
+   </attribute>
+   <attribute name="toolBarBreak">
+    <bool>false</bool>
+   </attribute>
+  </widget>
  </widget>
- <layoutdefault spacing="6" margin="11"/>
- <customwidgets>
-  <customwidget>
-   <class>TopWidget</class>
-   <extends>QToolBar</extends>
-   <header>src/topwidget.h</header>
-  </customwidget>
-  <customwidget>
-   <class>TabBar</class>
-   <extends>QWidget</extends>
-   <header>src/tabbar.h</header>
-   <container>1</container>
-  </customwidget>
-  <customwidget>
-   <class>ContentManagerSide</class>
-   <extends>QWidget</extends>
-   <header>src/contentmanagerside.h</header>
-   <container>1</container>
-  </customwidget>
-  <customwidget>
-   <class>ReadingListBar</class>
-   <extends>QWidget</extends>
-   <header>src/readinglistbar.h</header>
-   <container>1</container>
-  </customwidget>
- </customwidgets>
  <resources/>
  <connections/>
 </ui>