add firefox extension template

externs/webextension_polyfill/history/Static.hx

@@ -0,0 +1,43 @@
+package webextension_polyfill.history;
+
+typedef Static = {
+	/**
+		Searches the history for the last visit time of each page matching the query.
+	**/
+	function search(query:SearchQueryType):js.lib.Promise<Array<HistoryItem>>;
+	/**
+		Retrieves information about visits to a URL.
+	**/
+	function getVisits(details:GetVisitsDetailsType):js.lib.Promise<Array<VisitItem>>;
+	/**
+		Adds a URL to the history with a default visitTime of the current time and a default $(topic:transition-types)
+		[transition type] of "link".
+	**/
+	function addUrl(details:AddUrlDetailsType):js.lib.Promise<ts.Undefined>;
+	/**
+		Removes all occurrences of the given URL from the history.
+	**/
+	function deleteUrl(details:DeleteUrlDetailsType):js.lib.Promise<ts.Undefined>;
+	/**
+		Removes all items within the specified date range from the history.  Pages will not be removed from the history unless
+		all visits fall within the range.
+	**/
+	function deleteRange(range:DeleteRangeRangeType):js.lib.Promise<ts.Undefined>;
+	/**
+		Deletes all items from the history.
+	**/
+	function deleteAll():js.lib.Promise<ts.Undefined>;
+	/**
+		Fired when a URL is visited, providing the HistoryItem data for that URL.  This event fires before the page has loaded.
+	**/
+	var onVisited : webextension_polyfill.events.Event<(result:HistoryItem) -> Void>;
+	/**
+		Fired when one or more URLs are removed from the history service.  When all visits have been removed the URL is purged
+		from history.
+	**/
+	var onVisitRemoved : webextension_polyfill.events.Event<(removed:OnVisitRemovedRemovedType) -> Void>;
+	/**
+		Fired when the title of a URL is changed in the browser history.
+	**/
+	var onTitleChanged : webextension_polyfill.events.Event<(changed:OnTitleChangedChangedType) -> Void>;
+};