feat: support custom format, plain sql and cluster dumps

src/command_builder.rs

@@ -46,6 +46,11 @@ impl CommandBuilder {
         Self::default().args("docker compose")
     }
 
+    pub fn arg(mut self, arg: impl Into<String>) -> Self {
+        self.args.push(arg.into());
+        self
+    }
+
     pub fn args<T>(mut self, args: T) -> Self
     where
         Args: From<T>,