Fix atCoder website url

nishanthvijayan · nishanthvijayan · commit f120e15224f1 · 2019-03-27T17:46:24.000+05:30
diff --git a/src/parsers/atcoder.js b/src/parsers/atcoder.js
@@ -31,7 +31,7 @@ const atcoder = () => {
       Accept: 'text/html,application/xhtml+xml,application/xml;q=0.9,image/webp,im',
     },
   };
-  return axios.get('https://atcoder.jp/contest', config)
+  return axios.get('https://atcoder.jp/contests', config)
     .then((response) => {
       const $ = cheerio.load(response.data);
       const contests = $('.table-bordered > tbody > tr').slice(1);
