docs: add josefguenther as a contributor for code (#972)

* 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

@@ -892,6 +892,15 @@
       "contributions": [
         "code"
       ]
+    },
+    {
+      "login": "josefguenther",
+      "name": "Josef Guenther",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1220566?v=4",
+      "profile": "https://www.aciragroup.com",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -247,6 +247,7 @@ Want to contribute? see [Contribution Guidelines][contribution]. Thanks goes to
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/youdie006"><img src="https://avatars.githubusercontent.com/u/169331997?v=4?s=100" width="100px;" alt="KBS"/><br /><sub><b>KBS</b></sub></a><br /><a href="https://github.com/harttle/liquidjs/commits?author=youdie006" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/jakezwang"><img src="https://avatars.githubusercontent.com/u/2645794?v=4?s=100" width="100px;" alt="Jake Wang"/><br /><sub><b>Jake Wang</b></sub></a><br /><a href="https://github.com/harttle/liquidjs/commits?author=jakezwang" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://digitalmonstr.com"><img src="https://avatars.githubusercontent.com/u/115070295?v=4?s=100" width="100px;" alt="web-orbit12"/><br /><sub><b>web-orbit12</b></sub></a><br /><a href="https://github.com/harttle/liquidjs/commits?author=web-orbit12" title="Code">💻</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://www.aciragroup.com"><img src="https://avatars.githubusercontent.com/u/1220566?v=4?s=100" width="100px;" alt="Josef Guenther"/><br /><sub><b>Josef Guenther</b></sub></a><br /><a href="https://github.com/harttle/liquidjs/commits?author=josefguenther" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>