docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit 00fbcd14f7f5 · 2020-09-22T08:48:39.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -499,6 +499,15 @@
       "contributions": [
         "content"
       ]
+    },
+    {
+      "login": "bertonha",
+      "name": "Christofer Bertonha",
+      "avatar_url": "https://avatars3.githubusercontent.com/u/1225902?v=4",
+      "profile": "https://github.com/bertonha",
+      "contributions": [
+        "content"
+      ]
     }
   ],
   "contributorsPerLine": 8,
