docs: update README.md [skip ci]

Author: allcontributors[bot]

README.md

@@ -1,4 +1,7 @@
 <p align="center">
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-1-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:END -->
     <strong>SqlKata Query Builder</strong>
 </p>
 
@@ -162,3 +165,23 @@ int affected = db.Query("Users").Where("Id", 1).Update(new {
 ```cs
 int affected = db.Query("Users").Where("Id", 1).Delete();
 ```
+
+## Contributors ✨
+
+Thanks goes to these wonderful people ([emoji key](https://allcontributors.org/docs/en/emoji-key)):
+
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore-start -->
+<!-- markdownlint-disable -->
+<table>
+  <tr>
+    <td align="center"><a href="https://github.com/mnsrulz"><img src="https://avatars.githubusercontent.com/u/1809086?v=4?s=100" width="100px;" alt=""/><br /><sub><b>mnsrulz</b></sub></a><br /><a href="https://github.com/sqlkata/querybuilder/commits?author=mnsrulz" title="Code">💻</a></td>
+  </tr>
+</table>
+
+<!-- markdownlint-restore -->
+<!-- prettier-ignore-end -->
+
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
+This project follows the [all-contributors](https://github.com/all-contributors/all-contributors) specification. Contributions of any kind welcome!