settings: admin interface see default params

settings/settings.go

@@ -26,6 +26,11 @@ type FICSettings struct {
 	EnableExerciceDepend	bool      `json:"enableExerciceDepend"`
 }
 
+func ExistsSettings(settingsPath string) bool {
+	_, err := os.Stat(settingsPath)
+	return !os.IsNotExist(err)
+}
+
 func ReadSettings(path string) (FICSettings, error) {
 	var s FICSettings
 	if fd, err := os.Open(path); err != nil {