Add bundle extension updater classes

Signed-off-by: Alex Andreev <alex.andreev.email@gmail.com>

src/extensions/extension-updater/extension-updater.ts

@@ -0,0 +1,28 @@
+/**
+ * Copyright (c) OpenLens Authors. All rights reserved.
+ * Licensed under MIT License. See LICENSE in root directory for more information.
+ */
+
+import type { InstalledExtension } from "../extension-discovery/extension-discovery"
+
+export interface UpdaterDependencies {
+  installFromInput: (input: string) => Promise<void>;
+}
+
+export class ExtensionUpdater {
+  constructor(protected dependencies : UpdaterDependencies) {
+  }
+
+  async update({ availableUpdate, manifest }: InstalledExtension): Promise<void> {
+    return new Promise(resolve => {
+      if (availableUpdate) {
+        console.info(`[EXTENSIONS-UPDATER]: Trying to update ${manifest.name} extension`);
+
+        resolve();
+        // TODO: actual install
+        // this.dependencies.installFromInput(availableUpdate.input);
+      }
+    });
+
+  }
+}