docs: add agriyakhetarpal as a contributor for review (#3401)

* 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

@@ -531,7 +531,8 @@
       "contributions": [
         "infra",
         "code",
-        "doc"
+        "doc",
+        "review"
       ]
     },
     {

README.md

@@ -244,7 +244,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/ndrewwang"><img src="https://avatars.githubusercontent.com/u/56122552?v=4?s=100" width="100px;" alt="ndrewwang"/><br /><sub><b>ndrewwang</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/issues?q=author%3Andrewwang" title="Bug reports">🐛</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=ndrewwang" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/MichaPhilipp"><img src="https://avatars.githubusercontent.com/u/58085966?v=4?s=100" width="100px;" alt="MichaPhilipp"/><br /><sub><b>MichaPhilipp</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/issues?q=author%3AMichaPhilipp" title="Bug reports">🐛</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/abillscmu"><img src="https://avatars.githubusercontent.com/u/48105066?v=4?s=100" width="100px;" alt="Alec Bills"/><br /><sub><b>Alec Bills</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=abillscmu" title="Code">💻</a></td>
-      <td align="center" valign="top" width="14.28%"><a href="https://github.com/agriyakhetarpal"><img src="https://avatars.githubusercontent.com/u/74401230?v=4?s=100" width="100px;" alt="Agriya Khetarpal"/><br /><sub><b>Agriya Khetarpal</b></sub></a><br /><a href="#infra-agriyakhetarpal" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=agriyakhetarpal" title="Code">💻</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=agriyakhetarpal" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/agriyakhetarpal"><img src="https://avatars.githubusercontent.com/u/74401230?v=4?s=100" width="100px;" alt="Agriya Khetarpal"/><br /><sub><b>Agriya Khetarpal</b></sub></a><br /><a href="#infra-agriyakhetarpal" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=agriyakhetarpal" title="Code">💻</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=agriyakhetarpal" title="Documentation">📖</a> <a href="https://github.com/pybamm-team/PyBaMM/pulls?q=is%3Apr+reviewed-by%3Aagriyakhetarpal" title="Reviewed Pull Requests">👀</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/awadell1"><img src="https://avatars.githubusercontent.com/u/5857298?v=4?s=100" width="100px;" alt="Alex Wadell"/><br /><sub><b>Alex Wadell</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=awadell1" title="Code">💻</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=awadell1" title="Tests">⚠️</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=awadell1" title="Documentation">📖</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/iatzak"><img src="https://avatars.githubusercontent.com/u/112731474?v=4?s=100" width="100px;" alt="iatzak"/><br /><sub><b>iatzak</b></sub></a><br /><a href="https://github.com/pybamm-team/PyBaMM/commits?author=iatzak" title="Documentation">📖</a> <a href="https://github.com/pybamm-team/PyBaMM/issues?q=author%3Aiatzak" title="Bug reports">🐛</a> <a href="https://github.com/pybamm-team/PyBaMM/commits?author=iatzak" title="Code">💻</a></td>
     </tr>