add initial marp implementation with sample content and build configuration

node_modules/mathjax-full/js/output/svg/Wrappers/TextNode.d.ts

@@ -0,0 +1,9 @@
+import { SVGConstructor } from '../Wrapper.js';
+import { StyleList } from '../../../util/StyleList.js';
+declare const SVGTextNode_base: import("../../common/Wrappers/TextNode.js").TextNodeConstructor & SVGConstructor<any, any, any>;
+export declare class SVGTextNode<N, T, D> extends SVGTextNode_base {
+    static kind: string;
+    static styles: StyleList;
+    toSVG(parent: N): void;
+}
+export {};