Document major version 3

Author: WebCoder49

docs/_index.md

@@ -312,6 +312,8 @@ something like [CodeMirror](https://codemirror.net/),
 [Ace](https://ace.c9.io/) or
 [Monaco](https://microsoft.github.io/monaco-editor/).
 
+`code-input.js` is also improving and an even more lightweight, flexible and clean major version 3 is being planned. Please come and participate with your feedback/ideas [on GitHub](https://github.com/WebCoder49/code-input/issues/190) or [via email to [email protected]](mailto:[email protected])!
+
 ## Read Enough?
 **If you don't need web framework integration, get started with the commented tutorials by example on this page, for [Prism.js](#playground-preset-prism), [highlight.js](#playground-preset-hljs), or [another highlighter](#playground-preset-custom). If you're using ECMAScript modules or a web framework, start [here](modules-and-frameworks).**
 

docs/interface/js/_index.md

@@ -21,4 +21,4 @@ codeInputElement.addEventListener("code-input_load", () => {
 });
 ```
 
-For backwards compatibility, you should also implement the subset of the functionality that doesn't require `code-input.js` on the `<textarea data-code-input-fallback>` element before load, if you have one. For backwards compatibility and technical reasons, event handlers registered in HTML attributes like `onchange` of the textarea will be passed to the code-input element when it is registered, but event listeners registered like that above will not.
+For backwards compatibility, you should also implement the subset of the functionality that doesn't require `code-input.js` on the `<textarea data-code-input-fallback>` element before load, if you have one. For backwards compatibility and technical reasons, event handlers registered in HTML attributes like `onchange` of the textarea will be passed to the code-input element when it is registered, but event listeners registered like that above will not - this should be cleaned up in major version 3.