add initial marp implementation with sample content and build configuration

node_modules/mj-context-menu/js/context_menu.d.ts

@@ -0,0 +1,38 @@
+import { AbstractMenu } from './abstract_menu.js';
+import { MenuStore } from './menu_store.js';
+import { Postable } from './postable.js';
+import { ParserFactory } from './parser_factory.js';
+export declare class ContextMenu extends AbstractMenu {
+    factory: ParserFactory;
+    id: string;
+    private moving;
+    private _frame;
+    private _store;
+    private anchor;
+    private widgets;
+    static fromJson(factory: ParserFactory, { pool: pool, items: items, id: id }: {
+        pool: Array<Object>;
+        items: Array<Object>;
+        id: string;
+    }): ContextMenu;
+    constructor(factory: ParserFactory);
+    generateHtml(): void;
+    protected display(): void;
+    escape(_event: KeyboardEvent): void;
+    unpost(): void;
+    left(_event: KeyboardEvent): void;
+    right(_event: KeyboardEvent): void;
+    get frame(): HTMLElement;
+    get store(): MenuStore;
+    post(): void;
+    post(x: number, y: number): void;
+    post(event: Event): void;
+    post(element: HTMLElement): void;
+    registerWidget(widget: Postable): void;
+    unregisterWidget(widget: Postable): void;
+    unpostWidgets(): void;
+    toJson(): {
+        type: string;
+    };
+    private move_;
+}