docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit 7b1846ebe313 · 2020-04-18T15:18:39.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -204,6 +204,15 @@
       "contributions": [
         "content"
       ]
+    },
+    {
+      "login": "mbiesiad",
+      "name": "Michal",
+      "avatar_url": "https://avatars0.githubusercontent.com/u/18367606?v=4",
+      "profile": "https://twitter.com/michalbiesiada",
+      "contributions": [
+        "content"
+      ]
     }
   ],
   "projectName": "javascript-testing-best-practices",
