Co-authored-by: Caleb Cordry <[email protected]>

… validator in npm contains the new validator rule files in this PR.

…r file.

…attributes to corresponding story pages.

…tion in AmpStoryPage to check if paywall protected. Also some fixes.

…nctions and do it in the new extension

…ion to prevent the double loading issue of the new extension.

…herwise it won't find anything.

…appens before dispatching the event.

…ubscription

…size increase.

…operations with sync ones.

…e unit test also.

Co-authored-by: Gabriel Majoulet <[email protected]>

…mphtml into amp-story-subscriptions