refactor: Replace Webpack with Vite (#53)

src/pages/background/events/onUpdate.ts

@@ -0,0 +1,11 @@
+import { ExtensionStore } from '@shared/storage/ExtensionStore';
+
+/**
+ * Called when the extension is updated (or when the extension is reloaded in development mode)
+ */
+export default async function onUpdate() {
+    await ExtensionStore.set({
+        version: chrome.runtime.getManifest().version,
+        lastUpdate: Date.now(),
+    });
+}