docs: update .all-contributorsrc [skip ci]

allcontributors[bot] · web-flow · commit 9a159866f310 · 2021-04-12T06:29:48.000Z
diff --git a/.all-contributorsrc b/.all-contributorsrc
@@ -151,6 +151,15 @@
       "contributions": [
         "bug"
       ]
+    },
+    {
+      "login": "mattruby",
+      "name": "Matt Ruby",
+      "avatar_url": "https://avatars.githubusercontent.com/u/142194?v=4",
+      "profile": "http://bluestembrands.com",
+      "contributions": [
+        "maintenance"
+      ]
     }
   ],
   "contributorsPerLine": 7,
