fixup! Add subcommand to generate completions

src/cli.rs

@@ -53,8 +53,5 @@ pub enum ConfigCli {
     },
 
     #[structopt(name = "generate-completion")]
-    GenerateCompletion {
+    GenerateCompletion { shell: String },
-        shell: String,
-    },
 }
-

src/main.rs

@@ -55,7 +55,7 @@ pub fn main() {
             other => {
                 eprintln!("Unsupported shell: {}", other);
                 std::process::exit(1);
-            },
+            }
         };
         let mut out = std::io::stdout();
         CliArgs::clap().gen_completions_to("zellij", shell, &mut out);