Publish v1.0.0 toolkit package 🎊 (#368)

Description of changes

Publish the v1.0.0 of the toolkit package to NPM.
Also updates the project readme to remove public preview-related content.

README.md

@@ -1,6 +1,5 @@
 # Webview UI Toolkit for Visual Studio Code
 
-![Release: Public Preview](https://img.shields.io/badge/release-public%20preview-orange)
 [![NPM Version](https://img.shields.io/npm/v/@vscode/webview-ui-toolkit?color=blue)](https://www.npmjs.com/package/@vscode/webview-ui-toolkit)
 [![License: MIT](https://img.shields.io/badge/license-MIT-brightgreen)](./LICENSE)
 ![Toolkit CI Status](https://github.com/microsoft/vscode-webview-ui-toolkit/actions/workflows/ci.yml/badge.svg)
@@ -53,10 +52,6 @@ The core Visual Studio Code API provides a vast array of building blocks for hig
 
 Finally, if you're ever unsure if your extension should use webviews or not, you should open an issue and we'll give you some feedback and guidance.
 
-## Release
-
-The Webview UI Toolkit is currently in a public preview with the goal of reaching `v1.0` sometime in Winter 2022.
-
 ## Contributing
 
 Read the [contributing](./CONTRIBUTING.md) documentation.

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "@vscode/webview-ui-toolkit",
-	"version": "0.9.3",
+	"version": "1.0.0",
 	"description": "A component library for building webview-based extensions in Visual Studio Code.",
 	"homepage": "https://github.com/microsoft/vscode-webview-ui-toolkit#readme",
 	"license": "MIT",