add johnsturgeon as a contributor for bug, and doc (#898)

* update README.md [skip ci]

* update .all-contributorsrc [skip ci]

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

.all-contributorsrc

@@ -444,6 +444,16 @@
         "ideas",
         "data"
       ]
+    },
+    {
+      "login": "johnsturgeon",
+      "name": "John Sturgeon",
+      "avatar_url": "https://avatars.githubusercontent.com/u/9746310?v=4",
+      "profile": "https://github.com/johnsturgeon",
+      "contributions": [
+        "bug",
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,