Add storage manager

Signed-off-by: Sanjula Ganepola <sanjulagane@gmail.com>

src/storageManager.ts

@@ -0,0 +1,22 @@
+import { ExtensionContext } from "vscode";
+
+export class StorageManager {
+    private context: ExtensionContext;
+    private storageKey: string = 'githubLocalActions';
+
+    constructor(context: ExtensionContext) {
+        this.context = context;
+    }
+
+    keys(): readonly string[] {
+        return this.context.globalState.keys();
+    }
+
+    get<T>(key: string): T | undefined {
+        return this.context.globalState.get<T>(`${this.storageKey}.${key}`);
+    }
+
+    async update(key: string, value: any): Promise<void> {
+        await this.context.globalState.update(`${this.storageKey}.${key}`, value);
+    }
+}