Merge pull request #25 from keyurshah/add-ie11-polyfill-instructions

added ie11 polyfill scripts to README

README.md

@@ -29,6 +29,13 @@ import Alpine from 'alpinejs'
 Alpine.start()
 ```
 
+For IE11, polyfills will need to be provided. Please load the following scripts before the project-x script above.
+```html 
+<script src="https://polyfill.io/v3/polyfill.min.js?features=MutationObserver%2CArray.from%2CArray.prototype.forEach%2CMap%2CSet%2CArray.prototype.includes%2CString.prototype.includes%2CPromise%2CNodeList.prototype.forEach%2CObject.values%2CReflect%2CReflect.set"></script>
+
+<script src="https://cdn.jsdelivr.net/npm/proxy-polyfill@0.3.0/proxy.min.js"></script>
+```
+
 ## Use
 
 *Dropdown/Modal*