Add init to lazy store

plugins/store/guest-js/index.ts

@@ -54,7 +54,7 @@ export class LazyStore implements IStore {
     private readonly options?: StoreOptions
   ) {}
 
-  public get store(): Promise<Store> {
+  private get store(): Promise<Store> {
     if (!this._store) {
       this._store = createStore(this.path, this.options).catch(
         async () => (await getStore(this.path))!
@@ -63,6 +63,13 @@ export class LazyStore implements IStore {
     return this._store
   }
 
+  /**
+   * Init/load the store if it's not already
+   */
+  async init(): Promise<void> {
+    await this.store
+  }
+
   async set(key: string, value: unknown): Promise<void> {
     return (await this.store).set(key, value)
   }