docs: add pafuent as a contributor for maintenance (#1961)

* docs: update README.md [skip ci]

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

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

Author: allcontributors[bot]

.all-contributorsrc

@@ -23,6 +23,15 @@
       "contributions": [
         "maintenance"
       ]
+    },
+    {
+      "login": "pafuent",
+      "name": "Pablo Andres Fuente",
+      "avatar_url": "https://avatars.githubusercontent.com/u/6979945?v=4",
+      "profile": "https://github.com/pafuent",
+      "contributions": [
+        "maintenance"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1,6 +1,6 @@
 <a href="https://echo.labstack.com"><img height="80" src="https://cdn.labstack.com/images/echo-logo.svg"></a>
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-2-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 -->
 
 [![Sourcegraph](https://sourcegraph.com/github.com/labstack/echo/-/badge.svg?style=flat-square)](https://sourcegraph.com/github.com/labstack/echo?badge)
@@ -138,6 +138,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
   <tr>
     <td align="center"><a href="http://vishr.com"><img src="https://avatars.githubusercontent.com/u/314036?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Vishal Rana</b></sub></a><br /><a href="#design-vishr" title="Design">🎨</a> <a href="#maintenance-vishr" title="Maintenance">🚧</a></td>
     <td align="center"><a href="https://github.com/aldas"><img src="https://avatars.githubusercontent.com/u/2320301?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Martti T.</b></sub></a><br /><a href="#maintenance-aldas" title="Maintenance">🚧</a></td>
+    <td align="center"><a href="https://github.com/pafuent"><img src="https://avatars.githubusercontent.com/u/6979945?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Pablo Andres Fuente</b></sub></a><br /><a href="#maintenance-pafuent" title="Maintenance">🚧</a></td>
   </tr>
 </table>