docs: add bcarroll22 as a contributor (#355)

* docs: update README.md

* docs: update .all-contributorsrc

Author: allcontributors[bot]

.all-contributorsrc

@@ -756,6 +756,15 @@
       "contributions": [
         "bug"
       ]
+    },
+    {
+      "login": "bcarroll22",
+      "name": "Brandon Carroll",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/11020406?v=4",
+      "profile": "https://github.com/bcarroll22",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,