docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit 1254ee6a128f · 2021-06-29T09:21:18.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -25,6 +25,16 @@
         "test",
         "code"
       ]
+    },
+    {
+      "login": "williamzhu17",
+      "name": "William Zhu",
+      "avatar_url": "https://avatars.githubusercontent.com/u/77871333?v=4",
+      "profile": "https://github.com/williamzhu17",
+      "contributions": [
+        "test",
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,
