Add sponsor banner

components/sponsor-banner/index.js

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+import React from 'react';
+import { BannerWrap, CloseSponsor, EmojiWrap } from './style';
+
+export function SponsorBanner({ onCloseBanner = () => null }){
+  return (
+    <div className='row'>
+      <div className='col p-0'>
+        <BannerWrap href='https://google.com' target='_blank' className='alert alert-info'>
+            Sponsored by DigitalOcean
+            <EmojiWrap>😍</EmojiWrap>
+            Check them out!
+
+            <CloseSponsor
+              onClick={(e) => {
+                e.preventDefault();
+                onCloseBanner();
+              }}
+              className='close'>&times;</CloseSponsor>
+        </BannerWrap>
+      </div>
+    </div>
+  );
+}

components/sponsor-banner/style.js

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+import styled from 'styled-components';
+
+export const BannerWrap = styled.a`
+  margin-bottom: 0;
+  background: #101010;
+  color: white;
+  border: 0;
+  border-radius: 0;
+  padding: 10px 15px;
+  display: block;
+  text-align: center;
+  transition: all 200ms;
+  
+  &:hover {
+    color: white;
+    text-decoration: none;
+  }
+`;
+
+export const EmojiWrap = styled.span`
+  position: relative;
+  top: 1px;
+  margin: 0 0 0 6px;
+`;
+
+export const CloseSponsor = styled.span`
+  color: white;
+  text-shadow: none;
+  margin-right: 15px;
+  position: relative;
+  top: -2px;
+  
+  &:hover {
+    opacity: 1;
+    color: white;
+  }
+`;