docs: add noelhallemans as a contributor for example (#608)

* 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

@@ -141,6 +141,15 @@
         "test",
         "code"
       ]
+    },
+    {
+      "login": "noelhallemans",
+      "name": "Noël Hallemans",
+      "avatar_url": "https://avatars.githubusercontent.com/u/90609505?v=4",
+      "profile": "https://eng.ox.ac.uk/people/noel-hallemans/",
+      "contributions": [
+        "example"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -141,6 +141,7 @@ 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/MarkBlyth"><img src="https://avatars.githubusercontent.com/u/20501619?v=4?s=100" width="100px;" alt="MarkBlyth"/><br /><sub><b>MarkBlyth</b></sub></a><br /><a href="https://github.com/pybop-team/PyBOP/commits?author=MarkBlyth" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/f-g-r-i-m-m"><img src="https://avatars.githubusercontent.com/u/137511310?v=4?s=100" width="100px;" alt="f-g-r-i-m-m"/><br /><sub><b>f-g-r-i-m-m</b></sub></a><br /><a href="#example-f-g-r-i-m-m" title="Examples">💡</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Dibyendu-IITKGP"><img src="https://avatars.githubusercontent.com/u/32595915?v=4?s=100" width="100px;" alt="Dibyendu-IITKGP"/><br /><sub><b>Dibyendu-IITKGP</b></sub></a><br /><a href="#example-Dibyendu-IITKGP" title="Examples">💡</a> <a href="https://github.com/pybop-team/PyBOP/commits?author=Dibyendu-IITKGP" title="Tests">⚠️</a> <a href="https://github.com/pybop-team/PyBOP/commits?author=Dibyendu-IITKGP" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://eng.ox.ac.uk/people/noel-hallemans/"><img src="https://avatars.githubusercontent.com/u/90609505?v=4?s=100" width="100px;" alt="Noël Hallemans"/><br /><sub><b>Noël Hallemans</b></sub></a><br /><a href="#example-noelhallemans" title="Examples">💡</a></td>
     </tr>
   </tbody>
 </table>