add rustup install wasm32-unknown-unknown to readme

jakobhellermann · web-flow · commit 2f3f2779083e · 2023-11-21T15:48:14.000+01:00
diff --git a/README.md b/README.md
@@ -7,6 +7,7 @@ Allows you to run programs in the browser using web assembly using a simple `car
 ### Step 1.
 
 ```sh
+rustup target add wasm32-unknown-unknown
 cargo install wasm-server-runner
 ```
 
