Migrate to k6 roadmap (#1529)

* Refer to the public k6 roadmap in the README

* Delete the outdated roadmap

* Update release badge URL

README.md

@@ -2,7 +2,7 @@
 <p align="center">A module for k6 adding browser-level APIs with rough Playwright compatibility.</p>
 
 <p align="center">
-  <a href="https://github.com/grafana/xk6-browser/releases"><img src="https://img.shields.io/github/release/grafana/xk6-browser.svg" alt="Github release"></a>
+  <a href="https://github.com/grafana/xk6-browser/releases"><img src="https://img.shields.io/github/v/release/grafana/xk6-browser.svg" alt="Github release"></a>
   <a href="https://github.com/grafana/xk6-browser/actions/workflows/test.yml"><img src="https://github.com/grafana/xk6-browser/actions/workflows/test.yml/badge.svg" alt="Build status"></a>
   <a href="https://goreportcard.com/report/github.com/grafana/xk6-browser"><img src="https://goreportcard.com/badge/github.com/grafana/xk6-browser" alt="Go Report Card"></a>
   <br>
@@ -11,7 +11,8 @@
 <p align="center">
     <a href="https://github.com/grafana/k6/releases/latest">Download</a> ·
     <a href="https://grafana.com/docs/k6/latest/javascript-api/k6-browser">Documentation</a> ·
-    <a href="https://community.grafana.com/c/grafana-k6/k6-browser/79">Community Forum</a>
+    <a href="https://community.grafana.com/c/grafana-k6/k6-browser/79">Community Forum</a> ·
+    <a href="https://github.com/orgs/grafana/projects/443/views/1">Public Roadmap</a> ·
 </p>
 
 <br/>
@@ -31,7 +32,7 @@ Special acknowledgment to the authors of [Playwright](https://playwright.dev/) a
 - Aim for rough API compatibility with [Playwright](https://github.com/microsoft/playwright). The reason for this is twofold: first, we don't want users to have to learn a completely new API just to use xk6-browser, and second, it opens up the possibility of using the [Playwright RPC server](https://github.com/mxschmitt/playwright-go) as an optional backend for the k6 browser module should we decide to support that in the future.
 - Support for Chromium-compatible browsers first, and eventually Firefox and WebKit-based browsers.
 
-Please take a look at our [project roadmap](ROADMAP.md) for more details.
+Please take a look at our [project roadmap](https://github.com/orgs/grafana/projects/443/views/1) for more details.
 
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