docs: add kfebert as a contributor for code, and doc (#806)

* 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

@@ -350,6 +350,16 @@
       "contributions": [
         "doc"
       ]
+    },
+    {
+      "login": "kfebert",
+      "name": "Karl Ferdinand Ebert",
+      "avatar_url": "https://avatars.githubusercontent.com/u/848796?v=4",
+      "profile": "https://github.com/kfebert",
+      "contributions": [
+        "code",
+        "doc"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -1,7 +1,7 @@
 # Quarkus - OpenAPI Generator
 
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-37-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-38-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 [![Build](<https://img.shields.io/github/actions/workflow/status/quarkiverse/quarkus-openapi-generator/build.yml?branch=main&logo=GitHub&style=flat-square>)](https://github.com/quarkiverse/quarkus-openapi-generator/actions?query=workflow%3ABuild)
 [![Maven Central](https://img.shields.io/maven-central/v/io.quarkiverse.openapi.generator/quarkus-openapi-generator.svg?label=Maven%20Central&style=flat-square)](https://search.maven.org/artifact/io.quarkiverse.openapi.generator/quarkus-openapi-generator)
@@ -87,6 +87,7 @@ Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/d
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/brice-laurencin"><img src="https://avatars.githubusercontent.com/u/135709187?v=4?s=100" width="100px;" alt="Brice Laurencin"/><br /><sub><b>Brice Laurencin</b></sub></a><br /><a href="https://github.com/quarkiverse/quarkus-openapi-generator/commits?author=brice-laurencin" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/gmalheiro"><img src="https://avatars.githubusercontent.com/u/92603922?v=4?s=100" width="100px;" alt="Gabriel Malheiro"/><br /><sub><b>Gabriel Malheiro</b></sub></a><br /><a href="https://github.com/quarkiverse/quarkus-openapi-generator/commits?author=gmalheiro" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/kfebert"><img src="https://avatars.githubusercontent.com/u/848796?v=4?s=100" width="100px;" alt="Karl Ferdinand Ebert"/><br /><sub><b>Karl Ferdinand Ebert</b></sub></a><br /><a href="https://github.com/quarkiverse/quarkus-openapi-generator/commits?author=kfebert" title="Code">💻</a> <a href="https://github.com/quarkiverse/quarkus-openapi-generator/commits?author=kfebert" title="Documentation">📖</a></td>
     </tr>
   </tbody>
 </table>