adding init program

internal/config/config.go

@@ -36,6 +36,16 @@ type KeyConfig struct {
 	Params   map[string]string `yaml:"params"`
 }
 
+// DefaultConfigPath returns the default config file path, respecting XDG_CONFIG_HOME.
+func DefaultConfigPath() string {
+	base := os.Getenv("XDG_CONFIG_HOME")
+	if base == "" {
+		home, _ := os.UserHomeDir()
+		base = filepath.Join(home, ".config")
+	}
+	return filepath.Join(base, "streamdeck-go", "config.yaml")
+}
+
 // ModulesPath returns the path to the modules.yaml file next to the given config file.
 func ModulesPath(cfgPath string) string {
 	return filepath.Join(filepath.Dir(cfgPath), "modules.yaml")