docs: add Mooninaut as a contributor for code, test (#28)

* docs: update README.md [skip ci]

* docs: create .all-contributorsrc [skip ci]

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

.all-contributorsrc

@@ -0,0 +1,25 @@
+{
+  "files": [
+    "README.md"
+  ],
+  "imageSize": 100,
+  "commit": false,
+  "contributors": [
+    {
+      "login": "Mooninaut",
+      "name": "Clement Cherlin",
+      "avatar_url": "https://avatars.githubusercontent.com/u/1463364?v=4",
+      "profile": "https://github.com/Mooninaut",
+      "contributions": [
+        "code",
+        "test"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7,
+  "projectName": "dotenv-java",
+  "projectOwner": "cdimascio",
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "skipCi": true
+}

README.md

@@ -1,4 +1,7 @@
 # 🗝️ dotenv-java 
+<!-- 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 -->
 
 ![](https://travis-ci.org/cdimascio/dotenv-java.svg?branch=master) [![Coverage Status](https://coveralls.io/repos/github/cdimascio/dotenv-java/badge.svg?branch=fixes)](https://coveralls.io/github/cdimascio/dotenv-java?branch=fixes) [![Maven Central](https://img.shields.io/maven-central/v/io.github.cdimascio/dotenv-java.svg?label=Maven%20Central)](https://search.maven.org/artifact/io.github.cdimascio/dotenv-java) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/66b8195f0da544f1ad9ed1352c0ea66f)](https://app.codacy.com/app/cdimascio/dotenv-java?utm_source=github.com&utm_medium=referral&utm_content=cdimascio/dotenv-java&utm_campaign=Badge_Grade_Dashboard) [![](https://img.shields.io/gitter/room/cdimascio-oss/community?color=%23eb205a)](https://gitter.im/cdimascio-oss/community) [![](https://img.shields.io/badge/doc-javadoc-blue)](https://cdimascio.github.io/dotenv-java/docs/javadoc/index.html) ![](https://img.shields.io/badge/license-Apache%202.0-blue.svg)
 
@@ -254,3 +257,23 @@ see [CONTRIBUTING.md](CONTRIBUTING.md)
 see [LICENSE](LICENSE) ([Apache 2.0](LICENSE))
 
 <a href="https://www.buymeacoffee.com/m97tA5c" target="_blank"><img src="https://bmc-cdn.nyc3.digitaloceanspaces.com/BMC-button-images/custom_images/orange_img.png" alt="Buy Me A Coffee" style="height: auto !important;width: auto !important;" ></a>
+
+## 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/Mooninaut"><img src="https://avatars.githubusercontent.com/u/1463364?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Clement Cherlin</b></sub></a><br /><a href="https://github.com/cdimascio/dotenv-java/commits?author=Mooninaut" title="Code">💻</a> <a href="https://github.com/cdimascio/dotenv-java/commits?author=Mooninaut" title="Tests">⚠️</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!