Move sticky note element to context

src/context.js

@@ -61,6 +61,14 @@ export class Context {
 		return window.location.href;
 	}
 
+	/**
+	 * @returns {HTMLElement} The current active page element where sticky notes can be applied
+	 */
+	getActivePage() {
+		// Default to root element
+		return document.documentElement;
+	}
+
 	/**
 	 * Checks if a path is applicable given the context
 	 * @param {string} path Can be a site URL or another context-specific path