doc: add hint on how to create codespace

Signed-off-by: Emmanuel Roullit <emmanuel.roullit@gmail.com>

1 files changed, 2 insertions, 0 deletions

diff --git a/README.md b/README.md
index 38972a4..f1adae8 100644
--- a/README.md
+++ b/README.md
@@ -65,6 +65,8 @@ If you get a permission denied message, you might have to exclude the directory
 
 [![Open in Gitpod](https://gitpod.io/button/open-in-gitpod.svg)](https://gitpod.io/#https://github.com/rust-lang/rustlings)
 
+Open up Rustlings in [Codespaces](https://docs.github.com/en/codespaces/developing-in-codespaces/creating-a-codespace-for-a-repository#creating-a-codespace-for-a-repository)
+
 ## Manually
 
 Basically: Clone the repository at the latest tag, run `cargo install --path .`.