docs: add Romo4ka-bot as a contributor for code (#2911)

* 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

@@ -3068,6 +3068,15 @@
         "translation",
         "review"
       ]
+    },
+    {
+      "login": "Romo4ka-bot",
+      "name": "Roman Leontev",
+      "avatar_url": "https://avatars.githubusercontent.com/u/61774094?v=4",
+      "profile": "https://github.com/Romo4ka-bot",
+      "contributions": [
+        "code"
+      ]
     }
   ],
   "contributorsPerLine": 7,

README.md

@@ -10,7 +10,7 @@
 [![Coverage](https://sonarcloud.io/api/project_badges/measure?project=iluwatar_java-design-patterns&metric=coverage)](https://sonarcloud.io/dashboard?id=iluwatar_java-design-patterns)
 [![Join the chat at https://gitter.im/iluwatar/java-design-patterns](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/iluwatar/java-design-patterns?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
 <!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
-[![All Contributors](https://img.shields.io/badge/all_contributors-336-orange.svg?style=flat-square)](#contributors-)
+[![All Contributors](https://img.shields.io/badge/all_contributors-337-orange.svg?style=flat-square)](#contributors-)
 <!-- ALL-CONTRIBUTORS-BADGE:END -->
 
 <br/>
@@ -507,6 +507,9 @@ This project is licensed under the terms of the MIT license.
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/drishtii7"><img src="https://avatars.githubusercontent.com/u/82076566?v=4?s=100" width="100px;" alt="drishtii7"/><br /><sub><b>drishtii7</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=drishtii7" title="Code">💻</a></td>
       <td align="center" valign="top" width="14.28%"><a href="https://github.com/DavidMedinaO"><img src="https://avatars.githubusercontent.com/u/53974843?v=4?s=100" width="100px;" alt="David Medina Orozco"/><br /><sub><b>David Medina Orozco</b></sub></a><br /><a href="#translation-DavidMedinaO" title="Translation">🌍</a> <a href="https://github.com/iluwatar/java-design-patterns/pulls?q=is%3Apr+reviewed-by%3ADavidMedinaO" title="Reviewed Pull Requests">👀</a></td>
     </tr>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/Romo4ka-bot"><img src="https://avatars.githubusercontent.com/u/61774094?v=4?s=100" width="100px;" alt="Roman Leontev"/><br /><sub><b>Roman Leontev</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=Romo4ka-bot" title="Code">💻</a></td>
+    </tr>
   </tbody>
 </table>