docs: update version number

Author: Foso

docs/cookbook/textfield_changes.md

@@ -30,3 +30,6 @@ fun TextFieldDemo() {
 The simplest approach is to supply an onValueChange() callback to a TextField. Whenever the text changes, the callback is invoked.
 
 In this example, every time the TextField changes, the new text value will be saved in a state and set to the TextField and the Text.
+
+## See also:
+* [Full Example Code]({{ site.samplefolder }}/textfield/TextFieldDemo.kt)

docs/index.md

@@ -10,7 +10,7 @@ This is a community-driven collection of Jetpack Compose documentation/examples/
 
 [![jCenter](https://img.shields.io/badge/MIT-green.svg)](https://github.com/Foso/Jetpack-Compose-Playground/blob/master/LICENSE)
 [![PRs Welcome](https://img.shields.io/badge/PRs-welcome-brightgreen.svg?style=flat-square)](http://makeapullrequest.com)
-[![jCenter](https://img.shields.io/badge/Compose-1.2.0-green.svg
+[![jCenter](https://img.shields.io/badge/Compose-1.2.1-green.svg
 )](https://github.com/Foso/Jetpack-Compose-Playground/blob/master/LICENSE)
 ![Android Weekly](https://androidweekly.net/issues/issue-431/badge)
 [![Contributors](https://img.shields.io/github/contributors/Foso/Jetpack-Compose-Playground.svg)](#contributors)