work towards decoupling api from router

internal/config/config.go

@@ -5,3 +5,8 @@ type Config struct {
 	Modules []ModuleConfig `json:"modules"`
 	Routes  []RouteConfig  `json:"routes"`
 }
+
+type Configurable interface {
+	UpdateConfig(newConfig Config, triggerChangeChannel bool) (error, []ModuleError, []RouteError)
+	GetRunningConfig() Config
+}