docs: add thsackos as a contributor (#561)

* docs: update docs/www/docs/contribute/3-contributors.md

* docs: update .all-contributorsrc

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -327,6 +327,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "thsackos",
+      "name": "thsackos",
+      "avatar_url": "https://avatars.githubusercontent.com/u/47867435?v=4",
+      "profile": "https://github.com/thsackos",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 6,