docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit ae71213509d4 · 2021-08-20T17:08:55.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -647,6 +647,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "sandipan898",
+      "name": "Sandipan Das",
+      "avatar_url": "https://avatars.githubusercontent.com/u/50514440?v=4",
+      "profile": "https://sandipandas.herokuapp.com",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,
