docs: setup allcontributors (#1)

* chore: add contributor file

* docs: add contributors section

* fix: projectName

.all-contributorsrc

@@ -0,0 +1,14 @@
+{
+  "files": [
+    "README.md"
+  ],
+  "imageSize": 100,
+  "commit": false,
+  "contributors": [],
+  "contributorsPerLine": 7,
+  "projectName": "fs-walk",
+  "projectOwner": "NodeSecure",
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "skipCi": true
+}

README.md

@@ -71,5 +71,23 @@ const javascriptFiles = [...walkSync("./someDirectory", { extensions: new Set(["
 console.log(javascriptFiles);
 ```
 
+
+## Contributors ✨
+
+<!-- ALL-CONTRIBUTORS-BADGE:START - Do not remove or modify this section -->
+[![All Contributors](https://img.shields.io/badge/all_contributors-4-orange.svg?style=flat-square)](#contributors-)
+<!-- ALL-CONTRIBUTORS-BADGE:END -->
+
+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 -->
+
+
+<!-- markdownlint-enable -->
+<!-- prettier-ignore-end -->
+<!-- ALL-CONTRIBUTORS-LIST:END -->
+
 ## License
 MIT