add initial marp implementation with sample content and build configuration

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

@@ -0,0 +1,7 @@
+import { SVGConstructor } from '../Wrapper.js';
+declare const SVGTeXAtom_base: import("../../common/Wrappers/TeXAtom.js").TeXAtomConstructor & SVGConstructor<any, any, any>;
+export declare class SVGTeXAtom<N, T, D> extends SVGTeXAtom_base {
+    static kind: string;
+    toSVG(parent: N): void;
+}
+export {};