add initial marp implementation with sample content and build configuration

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

@@ -0,0 +1,17 @@
+import { ContextMenu as obj0 } from './context_menu';
+import { CssStyles as obj1 } from './css_util';
+import { Info as obj2 } from './info';
+import { Popup as obj3 } from './popup';
+import { Parser as obj4 } from './parse';
+import { SelectionBox as obj5 } from './selection_box';
+import { Variable as obj6 } from './variable';
+import { ParserFactory as obj7 } from './parser_factory';
+export declare let ContextMenu: typeof obj0;
+export declare let CssStyles: typeof obj1;
+export declare let Info: typeof obj2;
+export declare let Popup: typeof obj3;
+export declare let Parser: typeof obj4;
+export declare let version: string;
+export declare let SelectionBox: typeof obj5;
+export declare let Variable: typeof obj6;
+export declare let ParserFactory: typeof obj7;