Minor refactoring

src/background/gtranslate_content_script.ts

@@ -1,7 +1,4 @@
 import { browser } from "webextension-polyfill-ts";
-declare interface Window {
-	hasRun: boolean;
-}
 
 (async () => {
 	if (window.location.host != "translate.google.com" || window.hasRun) return;

src/frontend/content_script/content_script.ts

@@ -4,11 +4,6 @@ import App from "./Translate.svelte";
 import "tippy.js/dist/tippy.css";
 import "./tippy.scss";
 
-declare global {
-	interface Window {
-		hasRun: any;
-	}
-}
 (() => {
 	//Make sure our script only runs once
 	if (window.hasRun) return;

src/types.d.ts

@@ -15,3 +15,7 @@ declare interface Flashcard {
 	dateAdded: Date;
 	exported: boolean;
 }
+
+declare interface Window {
+	hasRun: any;
+}