feat(spiders): Add SitemapSpider

scrapling/spiders/__init__.py

@@ -4,6 +4,8 @@ from .scheduler import Scheduler
 from .engine import CrawlerEngine
 from .session import SessionManager
 from .spider import Spider, SessionConfigurationError
+from .links import LinkExtractor
+from .templates import CrawlSpider, SitemapSpider, CrawlRule
 from scrapling.engines.toolbelt.custom import Response
 
 __all__ = [
@@ -15,4 +17,8 @@ __all__ = [
     "SessionManager",
     "Scheduler",
     "Response",
+    "LinkExtractor",
+    "CrawlSpider",
+    "CrawlRule",
+    "SitemapSpider",
 ]