docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit 3a0f5868d385 · 2020-03-21T20:21:46.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -72,6 +72,17 @@
         "doc",
         "test"
       ]
+    },
+    {
+      "login": "SeanCena",
+      "name": "SeanCena",
+      "avatar_url": "https://avatars1.githubusercontent.com/u/17202203?v=4",
+      "profile": "https://github.com/SeanCena",
+      "contributions": [
+        "code",
+        "doc",
+        "test"
+      ]
     }
   ],
   "contributorsPerLine": 7,
