docs: add seanvm as a contributor for code (#105)

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -155,6 +155,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "seanvm",
+      "name": "Sean van Mulligen",
+      "avatar_url": "https://avatars.githubusercontent.com/u/16951595?v=4",
+      "profile": "https://vanmulligen.ca",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1,6 +1,5 @@
 [![semantic-release](https://img.shields.io/badge/%20%20%F0%9F%93%A6%F0%9F%9A%80-semantic--release-e10079.svg)](https://github.com/semantic-release/semantic-release) ![Release](https://github.com/bboure/serverless-appsync-simulator/workflows/Release/badge.svg) <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-16-orange.svg?style=flat-square)](#contributors-)
-
+[![All Contributors](https://img.shields.io/badge/all_contributors-17-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 This serverless plugin is a wrapper for [amplify-appsync-simulator](https://github.com/aws-amplify/amplify-cli/tree/master/packages/amplify-appsync-simulator) made for testing AppSync APIs built with [serverless-appsync-plugin](https://github.com/sid88in/serverless-appsync-plugin).
@@ -285,6 +284,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="https://github.com/louislatreille"><img src="https://avatars.githubusercontent.com/u/8052355?v=4?s=100" width="100px;" alt=""/><br /><sub><b>louislatreille</b></sub></a><br /><a href="https://github.com/bboure/serverless-appsync-simulator/commits?author=louislatreille" title="Code">💻</a></td>
     <td align="center"><a href="http://aleksac.me"><img src="https://avatars.githubusercontent.com/u/25728391?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Aleksa Cukovic</b></sub></a><br /><a href="https://github.com/bboure/serverless-appsync-simulator/commits?author=AleksaC" title="Code">💻</a></td>
+    <td align="center"><a href="https://vanmulligen.ca"><img src="https://avatars.githubusercontent.com/u/16951595?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Sean van Mulligen</b></sub></a><br /><a href="https://github.com/bboure/serverless-appsync-simulator/commits?author=seanvm" title="Code">💻</a></td>
   </tr>
 </table>