implement first draft of sprockets

app/config/config.go

@@ -51,6 +51,9 @@ type C struct {
 	// Web UI and dev mode settings
 	WebDisableEmbedded bool   `env:"ORLY_WEB_DISABLE" default:"false" usage:"disable serving the embedded web UI; useful for hot-reload during development"`
 	WebDevProxyURL     string `env:"ORLY_WEB_DEV_PROXY_URL" usage:"when ORLY_WEB_DISABLE is true, reverse-proxy non-API paths to this dev server URL (e.g. http://localhost:5173)"`
+
+	// Sprocket settings
+	SprocketEnabled bool `env:"ORLY_SPROCKET_ENABLED" default:"false" usage:"enable sprocket event processing plugin system"`
 }
 
 // New creates and initializes a new configuration object for the relay