Curl or Invoke-WebRequest install launcher in your repo

Author: joan38

website/docs/_advanced_install.mdx

@@ -422,15 +422,28 @@ Script to automatically download and cache standalone `scala-cli` launcher.
         ]}>
 <TabItem value="macOS/Linux">
 
+Download the Scala CLI launcher in your project directory:
+```bash
+curl https://raw.githubusercontent.com/VirtusLab/scala-cli/refs/heads/main/scala-cli.sh > scala && chmod +x scala
+```
+
 <DownloadButton desc= 'Scala CLI launcher for macOS/Linux' href='https://github.com/VirtusLab/scala-cli/blob/main/scala-cli.sh' width = '250px' ></DownloadButton>
 
 </TabItem>
 <TabItem value="windows">
 
+Download the Scala CLI launcher in your project directory:
+```bash
+Invoke-WebRequest "https://raw.githubusercontent.com/VirtusLab/scala-cli/refs/heads/main/scala-cli.bat" -OutFile "scala.bat”
+```
+
 <DownloadButton desc= 'Scala CLI launcher for Windows' href='https://github.com/VirtusLab/scala-cli/blob/main/scala-cli.bat' width = '250px' ></DownloadButton>
 
 </TabItem>
 </Tabs>
+
+We recommend committing the scala executable together with your code so that everyone working on the project can
+compile and run the code without needing to install anything (not even Java).
 </div></div>
 
 <SectionAbout title="Bootstrapped standalone fat JAR" colBigTitle="7"></SectionAbout>