docs: add azat-io as a contributor for code (#212)

Adds @azat-io as a contributor for code.

This was requested by michaelfaith [in this
comment](#211 (comment))

---------

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -314,6 +314,15 @@
       "contributions": [
         "bug"
       ]
+    },
+    {
+      "login": "azat-io",
+      "name": "Azat S.",
+      "avatar_url": "https://avatars.githubusercontent.com/u/5698350?v=4",
+      "profile": "http://azat.io",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,