docs: add sneakers-the-rat as a contributor for code, review, and ideas (#22)

* 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

@@ -26,6 +26,17 @@
         "code",
         "review"
       ]
+    },
+    {
+      "login": "sneakers-the-rat",
+      "name": "Jonny Saunders",
+      "avatar_url": "https://avatars.githubusercontent.com/u/12961499?v=4",
+      "profile": "https://jon-e.net",
+      "contributions": [
+        "code",
+        "review",
+        "ideas"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -2,7 +2,7 @@
 [![Documentation Status](https://readthedocs.org/projects/pyos-sphinx-theme/badge/?version=latest)](https://pyos-sphinx-theme.readthedocs.io/en/latest/?badge=latest)
 [![PyPI version](https://badge.fury.io/py/pyos-sphinx-theme.svg)](https://badge.fury.io/py/pyos-sphinx-theme)
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-2-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-3-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 A modified version of the [PyData Sphinx Theme](github.com/pydata/sphinx-theme) for use with the [pyOpenSci](https://pyopensci.org) project.