docs: add jonchapman1 as a contributor for doc (pybamm-team#3802)

* docs: update README.md [skip ci]

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

---------

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

.all-contributorsrc

@@ -215,7 +215,8 @@
       "profile": "https://github.com/jonchapman1",
       "contributions": [
         "ideas",
-        "fundingFinding"
+        "fundingFinding",
+        "doc"
       ]
     },
     {

README.md

@@ -205,7 +205,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     </tr>
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://www.rse.ox.ac.uk/"><img src="https://avatars3.githubusercontent.com/u/3770306?v=4?s=100" width="100px;" alt="Fergus Cooper"/><br /><sub><b>Fergus Cooper</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=fcooper8472" title="Code">💻</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=fcooper8472" title="Tests">⚠️</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/jonchapman1"><img src="https://avatars1.githubusercontent.com/u/28925818?v=4?s=100" width="100px;" alt="jonchapman1"/><br /><sub><b>jonchapman1</b></sub></a><br /><a href="#ideas-jonchapman1" title="Ideas, Planning, & Feedback">🤔</a> <a href="#fundingFinding-jonchapman1" title="Funding Finding">🔍</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/jonchapman1"><img src="https://avatars1.githubusercontent.com/u/28925818?v=4?s=100" width="100px;" alt="jonchapman1"/><br /><sub><b>jonchapman1</b></sub></a><br /><a href="#ideas-jonchapman1" title="Ideas, Planning, & Feedback">🤔</a> <a href="#fundingFinding-jonchapman1" title="Funding Finding">🔍</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=jonchapman1" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/colinplease"><img src="https://avatars3.githubusercontent.com/u/44977104?v=4?s=100" width="100px;" alt="Colin Please"/><br /><sub><b>Colin Please</b></sub></a><br /><a href="#ideas-colinplease" title="Ideas, Planning, & Feedback">🤔</a> <a href="#fundingFinding-colinplease" title="Funding Finding">🔍</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/cwmonroe"><img src="https://avatars.githubusercontent.com/u/92099819?v=4?s=100" width="100px;" alt="cwmonroe"/><br /><sub><b>cwmonroe</b></sub></a><br /><a href="#ideas-cwmonroe" title="Ideas, Planning, & Feedback">🤔</a> <a href="#fundingFinding-cwmonroe" title="Funding Finding">🔍</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/gjo97"><img src="https://avatars.githubusercontent.com/u/18349157?v=4?s=100" width="100px;" alt="Greg"/><br /><sub><b>Greg</b></sub></a><br /><a href="#ideas-gjo97" title="Ideas, Planning, & Feedback">🤔</a> <a href="#fundingFinding-gjo97" title="Funding Finding">🔍</a></td>