Add codespaces button

Author: yoshuawuyts

README.md

@@ -1,13 +1,21 @@
 # Rust WASI Hello
 
+[![Open in GitHub Codespaces](https://github.com/codespaces/badge.svg)](https://codespaces.new/yoshuawuyts/rust-wasi-hello)
+
+An example project showing how to build an HTTP server for WASI 0.2 built in
+Rust.
+
 ## Roadmap
 
-- [x] get a base version compiling
+- [x] Get a base version compiling
 - [x] Create a GitHub Actions Workflow
 - [x] Add routes to the HTTP handler
 - [ ] Create a wasm OCI publish action
-- [ ] Setup a codespace with all tools pre-installed
+- [ ] Setup a GitHub Codespace with all tools pre-installed
 - [ ] Demo unit tests in CI
+- [ ] Automatically publish a package on GitHub Release
+- [ ] Add a load-testing example
+- [ ] Upstream and integrate `scripts/` into their respective packages
 
 ## License