chrome.runtime.onInstalled.addListener(() => {
	chrome.declarativeContent.onPageChanged.removeRules(undefined, () => {
		chrome.declarativeContent.onPageChanged.addRules([{
			conditions: [ new chrome.declarativeContent.PageStateMatcher({
				pageUrl: { },
			})
			], actions: [ new chrome.declarativeContent.ShowPageAction() ]
		}]);
	});
});