update year

src/components/Footer.js

@@ -5,7 +5,7 @@ import React from 'react';
 const Footer = () => (
   <Segment inverted vertical textAlign="center">
     <Container>
-      <p textalign="center">Created by DevTeam &copy; 2018-2020.</p>
+      <p textalign="center">Created by DevTeam &copy; 2018-2021.</p>
     </Container>
   </Segment>
 );