docs: add ssynowiec as a contributor for code (#19)

Author: allcontributors[bot]

.all-contributorsrc

@@ -0,0 +1,26 @@
+{
+  "files": [
+    "README.md"
+  ],
+  "imageSize": 100,
+  "commit": false,
+  "commitType": "docs",
+  "commitConvention": "angular",
+  "contributors": [
+    {
+      "login": "ssynowiec",
+      "name": "Stanisław Synowiec",
+      "avatar_url": "https://avatars.githubusercontent.com/u/52856724?v=4",
+      "profile": "http://ssynowiec.dev",
+      "contributions": [
+        "code"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7,
+  "skipCi": true,
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "projectName": "assets-generator",
+  "projectOwner": "meetjspl"
+}

README.md

@@ -1,12 +1,32 @@
 # Assets Generator 2.0
 
-## Contributors
+<!-- 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 -->
+
+## 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="http://ssynowiec.dev"><img src="https://avatars.githubusercontent.com/u/52856724?v=4?s=100" width="100px;" alt="Stanisław Synowiec"/><br /><sub><b>Stanisław Synowiec</b></sub></a><br /><a href="https://github.com/meetjspl/assets-generator/commits?author=ssynowiec" title="Code">💻</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!