integrate to HTTP crawlers guide

Author: Mantisus

…amples/crawler_custom_parser/__init__.py …/code_examples/http_crawlers/__init__.pydocs/guides/code_examples/crawler_custom_parser/__init__.py renamed to docs/guides/code_examples/http_crawlers/__init__.py docs/guides/code_examples/crawler_custom_parser/__init__.py renamed to docs/guides/code_examples/http_crawlers/__init__.py

@@ -11,7 +11,7 @@
 
 
 async def main() -> None:
-    crawler = AdaptivePlaywrightCrawler(
+    crawler: AdaptivePlaywrightCrawler = AdaptivePlaywrightCrawler(
         max_requests_per_crawl=10,
         # Use custom Selectolax parser for static content parsing.
         static_parser=SelectolaxLexborParser(),

…s/crawler_custom_parser/lexbor_parser.py …_examples/http_crawlers/lexbor_parser.pydocs/guides/code_examples/crawler_custom_parser/lexbor_parser.py renamed to docs/guides/code_examples/http_crawlers/lexbor_parser.py docs/guides/code_examples/crawler_custom_parser/lexbor_parser.py renamed to docs/guides/code_examples/http_crawlers/lexbor_parser.py

@@ -14,8 +14,6 @@ class SelectolaxLexborContext(ParsedHttpCrawlingContext[LexborHTMLParser]):
     context methods (push_data, enqueue_links, etc.) plus custom helpers.
     """
 
-    # It is only for convenience and not strictly necessary, as the
-    # parsed_content field is already available from the base class.
     @property
     def parser(self) -> LexborHTMLParser:
         """Convenient alias for accessing the parsed document."""