feat: ✨ Created a mini nodeJS server with NewMan for testing without PostMan GUI.

This will mimic a run in a CD/CI environment or docker container.

node_modules/postman-runtime/lib/visualizer/index.js

@@ -0,0 +1,31 @@
+const Handlebars = require('handlebars');
+
+module.exports = {
+    /**
+     * Hydrate the given template with given data and produce final HTML to render in visualizer
+     *
+     * @param {String} template - handlebars template as a string
+     * @param {Object} userData - data provided by user
+     * @param {Object} options - options for processing the template
+     * @param {Function} callback - callback called with errors and processed template
+     */
+    processTemplate: function (template, userData, options, callback) {
+        // bail out if there is no valid template to process
+        if (typeof template !== 'string') {
+            return callback(new Error(`Invalid template. Template must be of type string, found ${typeof template}`));
+        }
+
+        var compiledTemplate = Handlebars.compile(template, options),
+            processedTemplate;
+
+        try {
+            // hydrate the template with provided data
+            processedTemplate = compiledTemplate(userData);
+        }
+        catch (err) {
+            return callback(err);
+        }
+
+        return callback(null, processedTemplate);
+    }
+};