docs: add eeulig as a contributor for code (#799)

* docs: update CONTRIBUTING.md [skip ci]

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

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

.all-contributorsrc

@@ -218,6 +218,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "eeulig",
+      "name": "Elias",
+      "avatar_url": "https://avatars.githubusercontent.com/u/87869465?v=4",
+      "profile": "http://eeulig.com",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

CONTRIBUTING.md

@@ -1,6 +1,6 @@
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-23-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-24-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 ## Contributors ✨
@@ -42,6 +42,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <tr>
       <td align="center"><a href="https://jlgleason.github.io"><img src="https://avatars.githubusercontent.com/u/18729651?v=4?s=100" width="100px;" alt="Jeffrey Gleason"/><br /><sub><b>Jeffrey Gleason</b></sub></a><br /><a href="https://github.com/py-why/dowhy/commits?author=jlgleason" title="Code">💻</a></td>
       <td align="center"><a href="https://bandism.net/"><img src="https://avatars.githubusercontent.com/u/22633385?v=4?s=100" width="100px;" alt="Ikko Ashimine"/><br /><sub><b>Ikko Ashimine</b></sub></a><br /><a href="https://github.com/py-why/dowhy/commits?author=eltociear" title="Documentation">📖</a></td>
+      <td align="center"><a href="http://eeulig.com"><img src="https://avatars.githubusercontent.com/u/87869465?v=4?s=100" width="100px;" alt="Elias"/><br /><sub><b>Elias</b></sub></a><br /><a href="https://github.com/py-why/dowhy/commits?author=eeulig" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>