add initial marp implementation with sample content and build configuration

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

@@ -0,0 +1,24 @@
+export function removeEmpty(strs) {
+    return strs.filter((str) => str);
+}
+export 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;
+}
+export function setdifference(a, b) {
+    if (!a) {
+        return [];
+    }
+    if (!b) {
+        return a;
+    }
+    return a.filter((x) => b.indexOf(x) < 0);
+}