Docs: Add marcobrb as a contributor for doc (#143)

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -127,6 +127,15 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "marcobrb",
+      "name": "marcobrb",
+      "avatar_url": "https://avatars.githubusercontent.com/u/219329309?v=4",
+      "profile": "https://github.com/marcobrb",
+      "contributions": [
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 5,

README.md

@@ -101,6 +101,7 @@ contributors, but we do value their contributions 🤗
     <tr>
       <td align="center" valign="top" width="20%"><a href="https://github.com/hwine"><img src="https://avatars.githubusercontent.com/u/132412?v=4?s=100" width="100px;" alt="Hal Wine"/><br /><sub><b>Hal Wine</b></sub></a><br /><a href="https://github.com/py-pdf/pdfly/issues?q=author%3Ahwine" title="Bug reports">🐛</a> <a href="https://github.com/py-pdf/pdfly/commits?author=hwine" title="Code">💻</a></td>
       <td align="center" valign="top" width="20%"><a href="https://github.com/philippesamuel"><img src="https://avatars.githubusercontent.com/u/32560769?v=4?s=100" width="100px;" alt="philippesamuel"/><br /><sub><b>philippesamuel</b></sub></a><br /><a href="https://github.com/py-pdf/pdfly/commits?author=philippesamuel" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="20%"><a href="https://github.com/marcobrb"><img src="https://avatars.githubusercontent.com/u/219329309?v=4?s=100" width="100px;" alt="marcobrb"/><br /><sub><b>marcobrb</b></sub></a><br /><a href="https://github.com/py-pdf/pdfly/commits?author=marcobrb" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>