docs: add ssenan as a contributor for ideas, and code (#280)

* 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

@@ -25,6 +25,16 @@
       "contributions": [
         "ideas"
       ]
+    },
+    {
+      "login": "ssenan",
+      "name": "Simon",
+      "avatar_url": "https://avatars.githubusercontent.com/u/8073222?v=4",
+      "profile": "https://github.com/ssenan",
+      "contributions": [
+        "ideas",
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1,6 +1,6 @@
 # DNA Diffusion
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-1-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 -->
 
 <img src='https://raw.githubusercontent.com/pinellolab/DNA-Diffusion/main/docs/images/diff_first_lossy.gif?inline=true'> </img>
@@ -240,6 +240,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/LucasSilvaFerreira"><img src="https://avatars.githubusercontent.com/u/5742873?v=4?s=100" width="100px;" alt="Lucas Ferreira da Silva"/><br /><sub><b>Lucas Ferreira da Silva</b></sub></a><br /><a href="#ideas-LucasSilvaFerreira" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/pinellolab/DNA-Diffusion/commits?author=LucasSilvaFerreira" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="http://pinellolab.org"><img src="https://avatars.githubusercontent.com/u/1081322?v=4?s=100" width="100px;" alt="Luca Pinello"/><br /><sub><b>Luca Pinello</b></sub></a><br /><a href="#ideas-lucapinello" title="Ideas, Planning, & Feedback">🤔</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/ssenan"><img src="https://avatars.githubusercontent.com/u/8073222?v=4?s=100" width="100px;" alt="Simon"/><br /><sub><b>Simon</b></sub></a><br /><a href="#ideas-ssenan" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/pinellolab/DNA-Diffusion/commits?author=ssenan" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>