add initial marp implementation with sample content and build configuration

node_modules/mathjax-full/js/input/tex/ams/AmsItems.d.ts

@@ -0,0 +1,19 @@
+import { ArrayItem, EqnArrayItem } from '../base/BaseItems.js';
+export declare class MultlineItem extends ArrayItem {
+    constructor(factory: any, ...args: any[]);
+    get kind(): string;
+    EndEntry(): void;
+    EndRow(): void;
+    EndTable(): void;
+}
+export declare class FlalignItem extends EqnArrayItem {
+    name: string;
+    numbered: boolean;
+    padded: boolean;
+    center: boolean;
+    get kind(): string;
+    constructor(factory: any, name: string, numbered: boolean, padded: boolean, center: boolean);
+    EndEntry(): void;
+    EndRow(): void;
+    EndTable(): void;
+}