fix go example indentation

Author: jyecusch

docs/index.mdx

@@ -76,9 +76,9 @@ func main() {
   api := nitric.NewApi("main")
 
   api.Get("/hello/:name", func(ctx *apis.Ctx) {
-		name := ctx.Request.PathParams()["name"]
-		ctx.Response.Body = []byte(fmt.Sprintf("Hello %s", name))
-	})
+    name := ctx.Request.PathParams()["name"]
+    ctx.Response.Body = []byte(fmt.Sprintf("Hello %s", name))
+  })
 
   nitric.Run()
 }