docs: add lwasser as a contributor for doc, and design (pyOpenSci#24)

* docs: update README.md [skip ci]

* docs: create .all-contributorsrc [skip ci]

Co-authored-by: allcontributors[bot] <46447321+allcontributors[bot]@users.noreply.github.com>

Author: allcontributors[bot]

.all-contributorsrc

@@ -0,0 +1,26 @@
+{
+  "files": [
+    "README.md"
+  ],
+  "imageSize": 100,
+  "commit": false,
+  "commitConvention": "angular",
+  "contributors": [
+    {
+      "login": "lwasser",
+      "name": "Leah Wasser",
+      "avatar_url": "https://avatars.githubusercontent.com/u/7649194?v=4",
+      "profile": "http://www.leahwasser.com",
+      "contributions": [
+        "doc",
+        "design"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7,
+  "skipCi": true,
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "projectName": "python-package-guide",
+  "projectOwner": "pyOpenSci"
+}

README.md

@@ -1,4 +1,7 @@
 # <img src="images/logo/logo.png" width=40 /> pyOpenSci Scientific Python Open Source Packaging Guide
+<!-- 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 -->
 
 ![GitHub release (latest by date)](https://img.shields.io/github/v/release/pyopensci/python-package-guide?color=purple&display_name=tag&style=plastic)
 
@@ -63,3 +66,25 @@ $ nox -s docs-live
 
 We welcome and issues and pull-requests to improve the content of this guide.
 If you'd like to see an improvement, please [open an issue](https://github.com/pyOpenSci/governance/issues/new/choose).
+
+## 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"><a href="http://www.leahwasser.com"><img src="https://avatars.githubusercontent.com/u/7649194?v=4?s=100" width="100px;" alt="Leah Wasser"/><br /><sub><b>Leah Wasser</b></sub></a><br /><a href="https://github.com/pyOpenSci/python-package-guide/commits?author=lwasser" title="Documentation">📖</a> <a href="#design-lwasser" title="Design">🎨</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!