docs: add smile-ab as a contributor for code (#3209)

* 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

@@ -3427,7 +3427,8 @@
       "avatar_url": "https://avatars.githubusercontent.com/u/202159894?v=4",
       "profile": "https://github.com/smile-ab",
       "contributions": [
-        "translation"
+        "translation",
+        "code"
       ]
     }
   ],

README.md

@@ -560,7 +560,7 @@ This project is licensed under the terms of the MIT license.
       <td align="center" valign="top" width="16.66%"><a href="https://github.com/MohanedAtef238"><img src="https://avatars.githubusercontent.com/u/105852138?v=4?s=100" width="100px;" alt="Mohaned Atef"/><br /><sub><b>Mohaned Atef</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=MohanedAtef238" title="Code">💻</a></td>
       <td align="center" valign="top" width="16.66%"><a href="https://github.com/maximevtush"><img src="https://avatars.githubusercontent.com/u/154841002?v=4?s=100" width="100px;" alt="Maxim Evtush"/><br /><sub><b>Maxim Evtush</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=maximevtush" title="Code">💻</a></td>
       <td align="center" valign="top" width="16.66%"><a href="https://github.com/hvgh88"><img src="https://avatars.githubusercontent.com/u/65297242?v=4?s=100" width="100px;" alt="Harshita Vidapanakal"/><br /><sub><b>Harshita Vidapanakal</b></sub></a><br /><a href="https://github.com/iluwatar/java-design-patterns/commits?author=hvgh88" title="Code">💻</a></td>
-      <td align="center" valign="top" width="16.66%"><a href="https://github.com/smile-ab"><img src="https://avatars.githubusercontent.com/u/202159894?v=4?s=100" width="100px;" alt="smile-ab"/><br /><sub><b>smile-ab</b></sub></a><br /><a href="#translation-smile-ab" title="Translation">🌍</a></td>
+      <td align="center" valign="top" width="16.66%"><a href="https://github.com/smile-ab"><img src="https://avatars.githubusercontent.com/u/202159894?v=4?s=100" width="100px;" alt="smile-ab"/><br /><sub><b>smile-ab</b></sub></a><br /><a href="#translation-smile-ab" title="Translation">🌍</a> <a href="https://github.com/iluwatar/java-design-patterns/commits?author=smile-ab" title="Code">💻</a></td>
     </tr>
   </tbody>
 </table>