add readme

Author: joaotonaco

README.md

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+<div align="center">
+  <img alt="Square Cloud Banner" src="https://cdn.squarecloud.app/png/github-readme.png">
+</div>
+
+<h1 align="center">@squarecloud/blob</h1>
+
+<p align="center">Official <a href="https://squarecloud.app" target="_blank">Square Cloud</a> Blob SDK for NodeJS.</p>
+
+<div align="center">
+  <div style="width: fit-content; display: flex; align-items: flex-start; gap: 4px;">
+    <img alt="NPM License" src="https://img.shields.io/npm/l/@squarecloud/blob">
+    <img alt="NPM Downloads" src="https://img.shields.io/npm/dw/@squarecloud/blob">
+    <a href="https://npmjs.com/package/@squarecloud/blob">
+      <img alt="NPM Version" src="https://img.shields.io/npm/v/@squarecloud/blob">
+    </a>
+  </div>
+</div>
+
+## Installation
+
+```bash
+npm install @squarecloud/blob
+// or
+yarn add @squarecloud/blob
+// or
+pnpm add @squarecloud/blob
+```
+
+## Documentation
+
+Visit our [official API documentation](https://docs.squarecloud.app/blob-reference/) for more information about how this service.
+
+## Getting Started
+
+```ts
+import { SquareCloudBlob } from "@squarecloud/blob"
+// const { SquareCloudBlob } = require("@squarecloud/blob");
+
+const blob = new SquareCloudBlob("Your API Key")
+const objects = await blob.objects.list()
+```
+
+### Creating an object
+
+```ts
+const object = await blob.objects.put({ file: "path/to/file.png", name: "my_image" })
+console.log(object.url)
+```
+
+### Deleting objects
+
+```ts
+const objectsToDelete = ["ID/prefix/name1_xxx-xxx.zip", "ID/prefix/name_xxx-xxx-xxx.png"]
+await blob.objects.delete(objectsToDelete)
+```
+
+## Contributing
+
+Feel free to contribute with suggestions or bug reports at our [GitHub repository](https://github.com/squarecloudofc/sdk-blob-js).
+
+## Authors
+
+- [@joaotonaco](https://github.com/joaotonaco)