Refactor actions

scripts/Actions/Install.ts

@@ -0,0 +1,12 @@
+import { AnimeNotifier } from "../AnimeNotifier"
+
+// Chrome extension installation
+export function installExtension(arn: AnimeNotifier, button: HTMLElement) {
+	let browser: any = window["chrome"]
+	browser.webstore.install()
+}
+
+// Desktop app installation
+export function installApp() {
+	alert("Open your browser menu > 'More tools' > 'Add to desktop' and enable 'Open as window'.")
+}