add main menu navigation and door lock charges page

client/src/components/MainMenu/index.js

@@ -0,0 +1,15 @@
+import React from 'react';
+import { NavLink } from 'react-router-dom';
+import { Menu } from 'semantic-ui-react';
+
+import { mainMenuItems} from "../../constants/menuItems";
+
+const MainMenu = () =>
+    (<Menu>
+        {
+            mainMenuItems.map(mainMenuItem =>
+                <Menu.Item as={NavLink} to={mainMenuItem.url} exact>{mainMenuItem.title}</Menu.Item>)
+        }
+    </Menu>);
+
+export default MainMenu;