docs: add LaChapeliere as a contributor (#292)

* docs: update README.md [skip ci]

* docs: update .all-contributorsrc [skip ci]

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -540,6 +540,15 @@
         "code",
         "test"
       ]
+    },
+    {
+      "login": "LaChapeliere",
+      "name": "LaChapeliere",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/7062546?v=4",
+      "profile": "https://github.com/LaChapeliere",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "skipCi": true