docs: update README.md [skip ci]

README.md

@@ -1,4 +1,7 @@
 # Open Data Upstate / Greenville SC Map Layers Demo
+<!-- 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 -->
 
 This is a Vue project which allows all you to dynamically toggle on/off any of
 the [Upstate / Greenville SC open map data
@@ -110,3 +113,25 @@ npm run lint
 `develop`:
 
 [![run-tests](https://github.com/hackgvl/open-map-data-multi-layers-demo/actions/workflows/run-tests.yml/badge.svg?branch=develop)](https://github.com/hackgvl/open-map-data-multi-layers-demo/actions/workflows/run-tests.yml)
+
+## 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://olivia.sculley.dev"><img src="https://avatars.githubusercontent.com/u/88074048?v=4?s=100" width="100px;" alt="Olivia Sculley"/><br /><sub><b>Olivia Sculley</b></sub></a><br /><a href="#ideas-oliviasculley" title="Ideas, Planning, & Feedback">🤔</a> <a href="https://github.com/hackgvl/open-map-data-multi-layers-demo/commits?author=oliviasculley" title="Code">💻</a> <a href="https://github.com/hackgvl/open-map-data-multi-layers-demo/commits?author=oliviasculley" title="Tests">⚠️</a> <a href="#maintenance-oliviasculley" title="Maintenance">🚧</a> <a href="#infra-oliviasculley" title="Infrastructure (Hosting, Build-Tools, etc)">🚇</a> <a href="https://github.com/hackgvl/open-map-data-multi-layers-demo/issues?q=author%3Aoliviasculley" title="Bug reports">🐛</a> <a href="https://github.com/hackgvl/open-map-data-multi-layers-demo/commits?author=oliviasculley" title="Documentation">📖</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!