chore: Add xblocks-contrib in budle.in

requirements/edx/bundled.in

@@ -47,3 +47,4 @@ ora2>=4.5.0                         # Open Response Assessment XBlock
 xblock-poll                         # Xblock for polling users
 xblock-drag-and-drop-v2             # Drag and Drop XBlock
 xblock-google-drive                 # XBlock for google docs and calendar
+xblocks-contrib                     # Package having multiple core XBlocks, https://github.com/openedx/xblocks-contrib?tab=readme-ov-file#xblocks-being-moved-here

xmodule/toggles.py

@@ -0,0 +1,23 @@
+"""
+Add Waffle flags to roll out the extracted XBlocks.
+Flags will use to toggle between the old and new block quickly
+without putting course content or user state at risk.
+
+Ticket: https://github.com/openedx/edx-platform/issues/35308
+"""
+from edx_toggles.toggles import WaffleFlag
+
+# .. toggle_name: USE_EXTRACTED_WORD_CLOUD_BLOCK
+# .. toggle_description: Enables the use of the extracted Word Cloud XBlock, which has been shifted to the 'openedx/xblocks-contrib' repo.
+# .. toggle_warning: Not production-ready until https://github.com/openedx/edx-platform/issues/34840 is done.
+# .. toggle_use_cases: temporary
+# .. toggle_default: False
+USE_EXTRACTED_WORD_CLOUD_BLOCK = WaffleFlag('xmodule.use_extracted_block.word_cloud', __name__)
+# TODO: Add flag docs once above approved
+USE_EXTRACTED_ANNOTATABLE_BLOCK = WaffleFlag('xmodule.use_extracted_block.annotatable', __name__)
+USE_EXTRACTED_POLL_BLOCK = WaffleFlag('xmodule.use_extracted_block.poll', __name__)
+USE_EXTRACTED_LTI_BLOCK = WaffleFlag('xmodule.use_extracted_block.lti', __name__)
+USE_EXTRACTED_HTML_BLOCK = WaffleFlag('xmodule.use_extracted_block.html', __name__)
+USE_EXTRACTED_DISCUSSION_BLOCK = WaffleFlag('xmodule.use_extracted_block.discussion', __name__)
+USE_EXTRACTED_PROBLEM_BLOCK = WaffleFlag('xmodule.use_extracted_block.problem', __name__)
+USE_EXTRACTED_VIDEO_BLOCK = WaffleFlag('xmodule.use_extracted_block.video', __name__)