feat: Add Bright Data tools (#314)

* Initial commit of BrightData tools

* Renamed the BrightData test file names

* Refactored and improved the overall BrightData tools

* Add BrightData tools

* Add tools to init

* Added config class

* Fix test failures and add missing __init__.py files

- Remove problematic brightdata_dataset_tool_test.py that referenced non-existent classes
- Fix brightdata_serp_tool_test.py to expect string responses instead of dict
- Fix brightdata_webunlocker_tool_test.py to expect string responses instead of dict
- Add missing tests/tools/__init__.py for proper test imports

---------

Co-authored-by: Ranjan Dailata <ranjancse@gmail.com>
Co-authored-by: Tony Kipkemboi <iamtonykipkemboi@gmail.com>

src/crewai_tools/__init__.py

@@ -12,6 +12,9 @@ from .tools import (
     ApifyActorsTool,
     ArxivPaperTool,
     BraveSearchTool,
+    BrightDataWebUnlockerTool,
+    BrightDataSearchTool,
+    BrightDataDatasetTool,
     BrowserbaseLoadTool,
     CodeDocsSearchTool,
     CodeInterpreterTool,