docs(changelog): add changelog

Author: zoltanszogyenyi

README.md

@@ -94,13 +94,13 @@ The quickest way to get started working with Flowbite is to simply include the C
 Require the following minified stylesheet inside the `head` tag:
 
 ```html
-<link href="https://cdnjs.cloudflare.com/ajax/libs/flowbite/2.3.0/flowbite.min.css" rel="stylesheet" />
+<link href="https://cdnjs.cloudflare.com/ajax/libs/flowbite/2.4.0/flowbite.min.css" rel="stylesheet" />
 ```
 
 And include the following javascript file before the end of the `body` tag:
 
 ```html
-<script src="https://cdnjs.cloudflare.com/ajax/libs/flowbite/2.3.0/flowbite.min.js"></script>
+<script src="https://cdnjs.cloudflare.com/ajax/libs/flowbite/2.4.0/flowbite.min.js"></script>
 ```
 
 ### Bundled JavaScript

content/getting-started/changelog.md

@@ -15,6 +15,12 @@ nextLink: getting-started/react/
 
 We strive to keep a good accountability of all of the version changes that we make for the Flowbite library.
 
+### v2.4.0
+
+- the datepicker is now a core component of Flowbite and has API methods, events, and options
+- updated the documentation for the datepicker component and related integration guides
+- minor visual bug fixes and improvements
+
 ### v2.3.0
 
 - added new "copy to clipboard" component and examples