New language: GolfScript

backend/src/langs.ts

@@ -707,6 +707,15 @@ import "fmt"
 func main() {
 	fmt.Println("Hello, world!")
 }
+`,
+  },
+  golfscript: {
+    aliases: ["gs", "golf"],
+    name: "GolfScript",
+    monacoLang: "plaintext",
+    main: "main.gs",
+    run: "golfscript main.gs",
+    template: `'Hello, world!'
 `,
   },
   groovy: {

scripts/docker-install-phase5.bash

@@ -79,6 +79,10 @@ go get golang.org/x/tools/gopls@latest
 mv go/bin/gopls /usr/bin/gopls
 rm -rf go
 
+# GolfScript
+wget -nv http://www.golfscript.com/golfscript/golfscript.rb -O /usr/bin/golfscript
+chmod +x /usr/bin/golfscript
+
 # Haskell
 wget -nv https://get.haskellstack.org/stable/linux-x86_64-static.tar.gz
 tar -xf linux-x86_64-static.tar.gz