docs: add @1chisensei as a contributor

Author: Tomio

.all-contributorsrc

@@ -0,0 +1,27 @@
+{
+  "projectName": "is-railway",
+  "projectOwner": "1chiSensei",
+  "repoType": "github",
+  "repoHost": "https://github.com",
+  "files": [
+    "README.md",
+    "packages/node/README.md",
+    "packages/rust/README.md"
+  ],
+  "imageSize": 100,
+  "commit": true,
+  "commitConvention": "angular",
+  "contributors": [
+    {
+      "login": "1chiSensei",
+      "name": "Tomio",
+      "avatar_url": "https://avatars.githubusercontent.com/u/75403863?v=4",
+      "profile": "https://github.com/1chiSensei",
+      "contributions": [
+        "code",
+        "doc"
+      ]
+    }
+  ],
+  "contributorsPerLine": 7
+}

README.md

@@ -0,0 +1,34 @@
+<div align="center">
+
+# is-railway
+
+**Check if the current process is running inside Railway**
+
+[![GitHub](https://img.shields.io/github/license/1chiSensei/is-railway)](https://github.com/1chiSensei/is-railway/blob/main/LICENSE)
+
+**Packages**
+
+[![npm](https://img.shields.io/npm/v/is-railway?color=crimson&logo=npm&style=flat-square&label=is-railway)](https://www.npmjs.com/package/is-railway)
+[![crates.io](https://img.shields.io/crates/v/is-railway?label=is-railway&logo=rust&style=flat-square&color=orange)](https://crates.io/crates/is-railway)
+
+</div>
+
+## 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="https://github.com/1chiSensei"><img src="https://avatars.githubusercontent.com/u/75403863?v=4?s=100" width="100px;" alt=""/><br /><sub><b>Tomio</b></sub></a><br /><a href="https://github.com/1chiSensei/is-railway/commits?author=1chiSensei" title="Code">💻</a> <a href="https://github.com/1chiSensei/is-railway/commits?author=1chiSensei" title="Documentation">📖</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!

packages/rust/README.md

@@ -5,11 +5,13 @@
 ## Install
 
 > CLI:
+
 ```sh
 $ cargo install is-railway
 ```
 
 > As a dependency:
+
 ```toml
 # Cargo.toml