add feature to load ruleset from directory or gzip file on http server, refactor ruleset loading logic

cmd/main.go

@@ -80,12 +80,8 @@ func main() {
 	}
 
 	app.Get("/", handlers.Form)
-	app.Get("ruleset", handlers.Ruleset)
-
 	app.Get("raw/*", handlers.Raw)
 	app.Get("api/*", handlers.Api)
-	app.Get("ruleset", handlers.Raw)
 	app.Get("/*", handlers.ProxySite(*ruleset))
-
 	log.Fatal(app.Listen(":" + *port))
 }