docs: add pschyma as a contributor (#332)

* docs: update README.md

* docs: update .all-contributorsrc


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

Author: allcontributors[bot]

.all-contributorsrc

@@ -718,6 +718,15 @@
         "doc",
         "example"
       ]
+    },
+    {
+      "login": "pschyma",
+      "name": "Peter Schyma",
+      "avatar_url": "https://avatars2.githubusercontent.com/u/2489928?v=4",
+      "profile": "https://github.com/pschyma",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7