📝 Add kevinzb56 as a contributor for doc (aeon-toolkit#2588)

* 📝 Update CONTRIBUTORS.md [skip ci]

* 📝 Update .all-contributorsrc [skip ci]

---------

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -2665,6 +2665,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "kevinzb56",
+      "name": "Kevin Shah",
+      "avatar_url": "https://avatars.githubusercontent.com/u/161136814?v=4",
+      "profile": "https://github.com/kevinzb56",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "commitType": "docs"