docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit da3e4a6f6ec3 · 2021-05-21T11:00:37.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -22,6 +22,15 @@
       "contributions": [
         "blog"
       ]
+    },
+    {
+      "login": "cebe",
+      "name": "Carsten Brandt",
+      "avatar_url": "https://avatars.githubusercontent.com/u/189796?v=4",
+      "profile": "http://cebe.cc/",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 12,
