docs: add istvan-nagy-epam as a contributor for code, and test (#2177)

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

.all-contributorsrc

@@ -1083,6 +1083,16 @@
         "test",
         "doc"
       ]
+    },
+    {
+      "login": "istvan-nagy-epam",
+      "name": "Istvan Zoltan Nagy",
+      "avatar_url": "https://avatars.githubusercontent.com/u/15124019?v=4",
+      "profile": "https://github.com/istvan-nagy-epam",
+      "contributions": [
+        "code",
+        "test"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -8,7 +8,7 @@
 [![Discussions](https://img.shields.io/github/discussions/asyncapi/modelina)](https://github.com/asyncapi/modelina/discussions)
 [![Website](https://img.shields.io/website?label=website&url=https%3A%2F%2Fwww.modelina.org)](https://www.modelina.org)
 [![Playground](https://img.shields.io/website?label=playground&url=https%3A%2F%2Fwww.modelina.org%2Fplayground)](https://www.modelina.org/playground) <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-100-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-101-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 
@@ -453,6 +453,7 @@ Thanks go out to these wonderful people ([emoji key](https://allcontributors.org
     <tr>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/Shriya-Chauhan"><img src="https://avatars.githubusercontent.com/u/78415084?v=4?s=100" width="100px;" alt="Shriya Chauhan"/><br /><sub><b>Shriya Chauhan</b></sub></a><br /><a href="https://github.com/asyncapi/modelina/commits?author=Shriya-Chauhan" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/fr-th"><img src="https://avatars.githubusercontent.com/u/61010557?v=4?s=100" width="100px;" alt="fr-th"/><br /><sub><b>fr-th</b></sub></a><br /><a href="https://github.com/asyncapi/modelina/commits?author=fr-th" title="Code">💻</a> <a href="https://github.com/asyncapi/modelina/commits?author=fr-th" title="Tests">⚠️</a> <a href="https://github.com/asyncapi/modelina/commits?author=fr-th" title="Documentation">📖</a></td>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/istvan-nagy-epam"><img src="https://avatars.githubusercontent.com/u/15124019?v=4?s=100" width="100px;" alt="Istvan Zoltan Nagy"/><br /><sub><b>Istvan Zoltan Nagy</b></sub></a><br /><a href="https://github.com/asyncapi/modelina/commits?author=istvan-nagy-epam" title="Code">💻</a> <a href="https://github.com/asyncapi/modelina/commits?author=istvan-nagy-epam" title="Tests">⚠️</a></td>
     </tr>
   </tbody>
 </table>