Add README to example (#21)

examples/fetch-file-from-kubo/README.md

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+<p align="center">
+  <a href="https://js.ipfs.io" title="JS IPFS">
+    <img src="https://ipfs.io/ipfs/Qme6KJdKcp85TYbLxuLV7oQzMiLremD7HMoXLZEmgo6Rnh/js-ipfs-sticker.png" alt="IPFS in JavaScript logo" width="244" />
+  </a>
+</p>
+
+<h3 align="center"><b>js-libp2p with WebTransport</b></h3>
+
+<p align="center">
+  <b><i>js-libp2p using WebTransport!</i></b>
+  <br />
+  <br />
+  <img src="https://raw.githubusercontent.com/jlord/forkngo/gh-pages/badges/cobalt.png" width="200">
+  <br>
+  <a href="https://github.com/ipfs/js-ipfs/tree/master/docs">Explore the docs</a>
+  ·
+  <a href="https://github.com/libp2p/js-libp2p-webtransport/issues">Report Bug</a>
+  ·
+  <a href="https://github.com/ipfs-examples/js-ipfs-examples/issues">Request Feature/Example</a>
+</p>
+
+## Table of Contents <!-- omit in toc -->
+
+- [About The Project](#about-the-project)
+- [Getting Started](#getting-started)
+  - [Prerequisites](#prerequisites)
+  - [Installation and Running example](#installation-and-running-example)
+- [Usage](#usage)
+- [References](#references)
+- [Documentation](#documentation)
+- [Contributing](#contributing)
+- [Want to hack on IPFS?](#want-to-hack-on-ipfs)
+
+## About The Project
+
+- Read the [docs](https://github.com/ipfs/js-ipfs/tree/master/docs)
+- Look into other [examples](https://github.com/ipfs-examples/js-ipfs-examples) to learn how to spawn an IPFS node in Node.js and in the Browser
+- Consult the [Core API docs](https://github.com/ipfs/js-ipfs/tree/master/docs/core-api) to see what you can do with an IPFS node
+- Visit https://dweb-primer.ipfs.io to learn about IPFS and the concepts that underpin it
+- Head over to https://proto.school to take interactive tutorials that cover core IPFS APIs
+- Check out https://docs.ipfs.io for tips, how-tos and more
+- See https://blog.ipfs.io for news and more
+- Need help? Please ask 'How do I?' questions on https://discuss.ipfs.io
+
+## Getting Started
+
+### Prerequisites
+
+Make sure you have installed all of the following prerequisites on your development machine:
+
+- Git - [Download & Install Git](https://git-scm.com/downloads). OSX and Linux machines typically have this already installed.
+- Node.js - [Download & Install Node.js](https://nodejs.org/en/download/) and the npm package manager.
+
+### Installation and Running example
+
+```console
+> npm install
+> npm start
+```
+
+Now open your browser at `http://localhost:8888`
+
+## Usage
+
+In this example, you will find a boilerplate you can use to guide yourself into bundling js-ipfs with [browserify](http://browserify.org/), so that you can use it in your own web app!
+
+You should see the following:
+
+![](./img/img1.png)
+![](./img/img2.png)
+
+This example demonstrates the `Regular API`, top-level API for add, cat, get and ls Files on IPFS
+
+_For more examples, please refer to the [Documentation](#documentation)_
+
+## References
+
+- Documentation:
+  - [IPFS CONFIG](https://github.com/ipfs/js-ipfs/blob/master/docs/CONFIG.md)
+  - [MISCELLANEOUS](https://github.com/ipfs/js-ipfs/blob/master/docs/core-api/MISCELLANEOUS.md)
+  - [FILES](https://github.com/ipfs/js-ipfs/blob/master/docs/core-api/FILES.md)
+- Tutorials:
+  - [MFS API](https://proto.school/mutable-file-system)
+  - [Regular File API](https://proto.school/regular-files-api)
+
+## Documentation
+
+- [Config](https://docs.ipfs.io/)
+- [Core API](https://github.com/ipfs/js-ipfs/tree/master/docs/core-api)
+- [Examples](https://github.com/ipfs-examples/js-ipfs-examples)
+- [Development](https://github.com/ipfs/js-ipfs/blob/master/docs/DEVELOPMENT.md)
+- [Tutorials](https://proto.school)
+
+## Contributing
+
+Contributions are what make the open source community such an amazing place to be learn, inspire, and create. Any contributions you make are **greatly appreciated**.
+
+1. Fork the IPFS Project
+2. Create your Feature Branch (`git checkout -b feature/amazing-feature`)
+3. Commit your Changes (`git commit -a -m 'feat: add some amazing feature'`)
+4. Push to the Branch (`git push origin feature/amazing-feature`)
+5. Open a Pull Request
+
+## Want to hack on IPFS?
+
+[![](https://cdn.rawgit.com/jbenet/contribute-ipfs-gif/master/img/contribute.gif)](https://github.com/ipfs/community/blob/master/CONTRIBUTING.md)
+
+The IPFS implementation in JavaScript needs your help! There are a few things you can do right now to help out:
+
+Read the [Code of Conduct](https://github.com/ipfs/community/blob/master/code-of-conduct.md) and [JavaScript Contributing Guidelines](https://github.com/ipfs/community/blob/master/CONTRIBUTING_JS.md).
+
+- **Check out existing issues** The [issue list](https://github.com/ipfs/js-ipfs/issues) has many that are marked as ['help wanted'](https://github.com/ipfs/js-ipfs/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3A%22help+wanted%22) or ['difficulty:easy'](https://github.com/ipfs/js-ipfs/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc+label%3Adifficulty%3Aeasy) which make great starting points for development, many of which can be tackled with no prior IPFS knowledge
+- **Look at the [IPFS Roadmap](https://github.com/ipfs/roadmap)** This are the high priority items being worked on right now
+- **Perform code reviews** More eyes will help
+  a. speed the project along
+  b. ensure quality, and
+  c. reduce possible future bugs.
+- **Add tests**. There can never be enough tests.
+- **Join the [Weekly Core Implementations Call](https://github.com/ipfs/team-mgmt/issues/992)** it's where everyone discusses what's going on with IPFS and what's next