All contributors support added

.all-contributorsrc

@@ -0,0 +1,25 @@
+{
+  "files": [
+    "README.md"
+  ],
+  "imageSize": 100,
+  "commit": false,
+  "commitConvention": "angular",
+  "contributors": [
+    {
+      "login": "BlllueSea",
+      "name": "BlllueSea",
+      "avatar_url": "https://avatars.githubusercontent.com/u/20047708?v=4",
+      "profile": "https://github.com/BlllueSea",
+      "contributions": [
+        "content"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7,
+  "skipCi": true,
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "projectName": "github-starter-course",
+  "projectOwner": "BlllueSea"
+}

README.md

@@ -1,4 +1,7 @@
 # :wave: The Basics of Git and GitHub
+<!-- 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 -->
 
 ## 🤓 Course overview and learning outcomes 
 
@@ -454,3 +457,25 @@ Make sure you've completed the following assignments:
 * [Another interactive tool to learn Git concepts using a browser](https://learngitbranching.js.org/)
 * [Pro Git v2 - a full and free ebook for an in-depth understanding of Git](https://git-scm.com/book/en/v2)
 * [Atlassian's Git tutorials](https://www.atlassian.com/git/tutorials)
+
+## 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>
+  <tbody>
+    <tr>
+      <td align="center" valign="top" width="14.28%"><a href="https://github.com/BlllueSea"><img src="https://avatars.githubusercontent.com/u/20047708?v=4?s=100" width="100px;" alt="BlllueSea"/><br /><sub><b>BlllueSea</b></sub></a><br /><a href="#content-BlllueSea" title="Content">🖋</a></td>
+    </tr>
+  </tbody>
+</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!