docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit 07297d14f3b3 · 2022-08-29T15:08:52.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -2132,6 +2132,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "khitrenovich",
+      "name": "Anton Khitrenovich",
+      "avatar_url": "https://avatars.githubusercontent.com/u/3424762?v=4",
+      "profile": "http://technotes.khitrenovich.com/",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,
