docs: add curiosity26 as a contributor (#555)

* docs: update README.md

* docs: update .all-contributorsrc

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -716,6 +716,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "curiosity26",
+      "name": "Alex Boyce",
+      "avatar_url": "https://avatars.githubusercontent.com/u/4050934?v=4",
+      "profile": "http://www.alex-boyce.me/",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "commitConvention": "none",