docs: added description image shrink (#522)

* docs: added description image shrink

* docs: update readme.md

packages/image-shrink/README.md

@@ -0,0 +1,68 @@
+# Uploadcare Image Shrink
+
+<a href="https://uploadcare.com/?utm_source=github&utm_campaign=uploadcare-js-api-clients">
+    <img align="right" width="64" height="64"
+      src="https://ucarecdn.com/edfdf045-34c0-4087-bbdd-e3834921f890/userpiccircletransparent.svg"
+      alt="">
+</a>
+
+File Uploader lets you accept hi-res images and shrink them in size to a reasonable resolution, keeping the original aspect ratio. See docs [here][uc-docs-image-shrink] wrapper to work with browser.
+
+[API Reference](https://uploadcare.github.io/uploadcare-js-api-clients/image-shrink/)
+
+[![Build Status][badge-build]][build-url]
+[![NPM version][npm-img]][npm-url]
+[![GitHub release][badge-release-img]][badge-release-url]
+[![Uploadcare stack on StackShare][badge-stack-img]][badge-stack-url]
+
+<!-- toc -->
+
+- [Install](#install)
+- [Usage](#usage)
+- [Security issues](#security-issues)
+- [Feedback](#feedback)
+
+<!-- tocstop -->
+
+## Install
+
+```bash
+npm install @uploadcare/image-shrink
+```
+
+## Usage
+
+```typescript
+import { shrinkFile } from '@uploadcare/image-shrink'
+
+const shrinkedBlob = shrinkImage(blob, {
+    size: number,
+    quality?: number
+})
+```
+
+## Security issues
+
+If you think you ran into something in Uploadcare libraries that might have
+security implications, please hit us up at
+[[email protected]][uc-email-bounty] or Hackerone.
+
+We'll contact you personally in a short time to fix an issue through co-op and
+prior to any public disclosure.
+
+## Feedback
+
+Issues and PRs are welcome. You can provide your feedback or drop us a support
+request at [[email protected]][uc-email-hello].
+
+[uc-email-bounty]: mailto:[email protected]
+[uc-email-hello]: mailto:[email protected]
+[badge-stack-img]: https://img.shields.io/badge/tech-stack-0690fa.svg?style=flat
+[badge-stack-url]: https://stackshare.io/uploadcare/stacks/
+[badge-release-img]: https://img.shields.io/github/release/uploadcare/uploadcare-js-api-clients.svg
+[badge-release-url]: https://github.com/uploadcare/uploadcare-js-api-clients/releases
+[npm-img]: http://img.shields.io/npm/v/@uploadcare/signed-uploads.svg
+[npm-url]: https://www.npmjs.org/package/@uploadcare/signed-uploads
+[badge-build]: https://github.com/uploadcare/uploadcare-js-api-clients/actions/workflows/checks.yml/badge.svg
+[build-url]: https://github.com/uploadcare/uploadcare-js-api-clients/actions/workflows/checks.yml
+[uc-docs-image-shrink]: https://uploadcare.com/docs/file-uploader/feature-shrink/