add initial marp implementation with sample content and build configuration

node_modules/speech-rule-engine/js/common/base_util.js

@@ -0,0 +1,29 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.removeEmpty = removeEmpty;
+exports.interleaveLists = interleaveLists;
+exports.setdifference = setdifference;
+function removeEmpty(strs) {
+    return strs.filter((str) => str);
+}
+function interleaveLists(list1, list2) {
+    const result = [];
+    while (list1.length || list2.length) {
+        if (list1.length) {
+            result.push(list1.shift());
+        }
+        if (list2.length) {
+            result.push(list2.shift());
+        }
+    }
+    return result;
+}
+function setdifference(a, b) {
+    if (!a) {
+        return [];
+    }
+    if (!b) {
+        return a;
+    }
+    return a.filter((x) => b.indexOf(x) < 0);
+}