feat(cli): add check command

packagemanager/cargo.go

@@ -2,6 +2,8 @@ package packagemanager
 
 import (
 	"fmt"
+	"os"
+	"path/filepath"
 	"system_setup_tool/internal/shell"
 )
 
@@ -56,3 +58,12 @@ func (c *CargoManager) UpdatePackage(pkg string) error {
 func (c *CargoManager) UpdateAllPackages() error {
 	return fmt.Errorf("update not supported")
 }
+
+func (c *CargoManager) Check(pkg string) error {
+	home, err := os.UserHomeDir()
+	if err != nil {
+		return err
+	}
+	cmd := shell.ExecCommand("ls", filepath.Join(home, ".cargo", "bin", pkg))
+	return cmd.Run()
+}