site: fixes example bug (#1249)

the installer goes to ./bin by default

to do something else you need something like

`| bash -s -- -b /usr/local/bin`

Signed-off-by: Adrian Cole <adrian@tetrate.io>

site/content/_index.md

@@ -18,7 +18,7 @@ execute WebAssembly Modules (Wasm), which are most often binaries with a
 
 ```bash
 $ curl https://wazero.io/install.sh | sh
-$ wazero run app.wasm
+$ ./bin/wazero run app.wasm
 ```
 
 **Embed wazero** in your Go project and extend any app