docs: added contributors

Author: jonrkarr

.all-contributorsrc

@@ -0,0 +1,33 @@
+{
+  "files": [
+    "CONTRIBUTORS.md"
+  ],
+  "imageSize": 100,
+  "commit": false,
+  "contributors": [
+    {
+      "login": "jonrkarr",
+      "name": "Jonathan Karr",
+      "avatar_url": "https://avatars.githubusercontent.com/u/2848297?v=4",
+      "profile": "https://www.karrlab.org",
+      "contributions": [
+        "code"
+      ]
+    },
+    {
+      "login": "bilalshaikh42",
+      "name": "Bilal Shaikh",
+      "avatar_url": "https://avatars.githubusercontent.com/u/32490144?v=4",
+      "profile": "http://bshaikh.com",
+      "contributions": [
+        "infra"
+      ]
+    }    
+  ],
+  "contributorsPerLine": 7,
+  "projectName": "Biosimulators_tutorials",
+  "projectOwner": "biosimulators",
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "skipCi": true
+}

CONTRIBUTORS.md

@@ -0,0 +1,23 @@
+# Contributors
+
+The BioSimulators tutorials was developed with help from the following people:
+
+<!-- ALL-CONTRIBUTORS-LIST:START - Do not remove or modify this section -->
+<!-- prettier-ignore-start -->
+<!-- markdownlint-disable -->
+<table>
+  <tr>    
+    <td align="center"><a href="https://www.karrlab.org"><img src="https://avatars.githubusercontent.com/u/2848297?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Jonathan Karr</b></sub></a><br /><a href="https://github.com/biosimulators/Biosimulators_utils/commits?author=jonrkarr" title="Code">💻</a></td>
+    <td align="center"><a href="http://bshaikh.com"><img src="https://avatars.githubusercontent.com/u/32490144?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Bilal Shaikh</b></sub></a><br /><a href="https://github.com/biosimulators/Biosimulators_utils/issues?q=author%3Abilalshaikh42" title="Infrastructure">🐛</a></td>
+  </tr>
+</table>
+
+<!-- markdownlint-restore -->
+<!-- prettier-ignore-end -->
+
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
+A key to these emojis is available [here](https://allcontributors.org/docs/en/emoji-key).
+
+## Contributing to the BioSimulators tutorials
+We enthusiastically welcome contributions! Please see the [guide to contributing](CONTRIBUTING.md) and the [developer's code of conduct](CODE_OF_CONDUCT.md). 

README.md

@@ -1,4 +1,5 @@
 [![Binder](https://mybinder.org/badge_logo.svg)](https://tutorial.biosimulators.org/)
+[![All Contributors](https://img.shields.io/github/all-contributors/biosimulators/Biosimulators_tutorials/HEAD)](#contributors-)
 
 ![Logo](https://raw.githubusercontent.com/biosimulations/Biosimulations/dev/libs/shared/assets/src/assets/images/biosimulators-logo/logo-white.svg)
 
@@ -35,7 +36,7 @@ This package is released under the [MIT license](LICENSE).
 
 ## Development team
 
-This package was developed by the [Karr Lab](https://www.karrlab.org) at the Icahn School of Medicine at Mount Sinai in New York as part of the [Center for Reproducible Biomodeling Modeling](https://reproduciblebiomodels.org).
+This package was developed by the [Karr Lab](https://www.karrlab.org) at the Icahn School of Medicine at Mount Sinai in New York as part of the [Center for Reproducible Biomodeling Modeling](https://reproduciblebiomodels.org) with assistance from the contributors listed [here](CONTRIBUTORS.md).
 
 - [Bilal Shaikh](https://www.bshaikh.com)
 - [Jonathan Karr](https://www.karrlab.org)