Create README.md

README.md

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+# svelte-cloudinary
+
+This is a little library that aims at integrating and making it easier to use the svelte with [Cloudinary](https://cloudinary.com/).
+There is an official integration comming, but it's not ready and for not does not work great.
+
+## 🚀 Quickstart
+
+```bash
+yarn add svelte-cloudinary
+```
+
+```svelte
+<script>
+
+  import { image } from 'svelte-cloudinary'
+
+  const src = 'my/cloudinary/asset'
+</script>
+
+<style>
+  img {
+    width: 50vw;
+    height: 50vh;
+    object-fit: cover;
+  }
+</style>
+
+<img
+  use:image={{ src, bind: true, options: { crop: 'fill' } }}
+  class="home-img"
+  alt="background" />
+```
+
+This will formulate the Cloudinary url and insert it into the `img.src` property.
+Also it will resize to the `img` object itself because we set `bind: true`.
+
+## 🗂 Docs
+
+The `image` action takes 3 parameters.
+
+### `src`
+
+The `publicId` of your asset.
+
+### `bind`
+
+This is a utility for setting width and/or height automatically based on the size of a rendered element in the DOM.
+
+- `true`: Uses the size of the img node itself
+- `'.someClass'`: Searches for the element closest to the image that matches the css query and takes that as size
+- `{ height: document.querySelector('#some'), height: '#some' }`: Set height and/or width independently from another. Can be an element or css selector.
+
+###### Examples
+
+```svelte
+<!-- Simple -->
+<img
+  use:image={{ src, bind: true, }}
+/>
+```
+
+```svelte
+<!-- Bind size to parent with selectors -->
+<div class="wrapper"
+  <img
+    use:image={{ src, bind: '.wrapper', }}
+  />
+</div>
+```
+
+```svelte
+<!-- Bind width to parent with element -->
+<div class="wrapper"
+  <img
+    use:image={{ src, bind: { width: '.wrapper' }, }}
+  />
+</div>
+```
+
+### `options`
+
+Native cloudinary options. See [here for official docs](https://cloudinary.com/documentation/image_transformations)
+For a quick glance