docs: add @esatterwhite as a contributor

.all-contributorsrc

@@ -0,0 +1,27 @@
+{
+  "projectName": "eslint-config-logdna",
+  "projectOwner": "logdna",
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "files": [
+    "README.md"
+  ],
+  "imageSize": 100,
+  "commit": true,
+  "commitConvention": "angular",
+  "contributors": [
+    {
+      "login": "esatterwhite",
+      "name": "Eric Satterwhite",
+      "avatar_url": "https://avatars.githubusercontent.com/u/148561?v=4",
+      "profile": "http://codedependant.net/",
+      "contributions": [
+        "doc",
+        "code",
+        "test",
+        "maintenance"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7
+}

README.md

@@ -1,4 +1,7 @@
 # `eslint-config-logdna`
+<!-- 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 package contains the `eslint` configuration that LogDNA prefers to use across all projects, public and private.
 
@@ -46,3 +49,23 @@ files since `eslint` will only lint javascript files by default.
   ]
 }
 ```
+
+## 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="http://codedependant.net/"><img src="https://avatars.githubusercontent.com/u/148561?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Eric Satterwhite</b></sub></a><br /><a href="https://github.com/logdna/eslint-config-logdna/commits?author=esatterwhite" title="Documentation">📖</a> <a href="https://github.com/logdna/eslint-config-logdna/commits?author=esatterwhite" title="Code">💻</a> <a href="https://github.com/logdna/eslint-config-logdna/commits?author=esatterwhite" title="Tests">⚠️</a> <a href="#maintenance-esatterwhite" title="Maintenance">🚧</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!