add and configure gulp

assets/dist/script.js

@@ -0,0 +1,29 @@
+"use strict";
+
+function openTab(data, tab) {
+  data.activeTab === tab ? data.activeTab = "" : data.activeTab = tab;
+}
+function scrollToElem(selector) {
+  setTimeout(function () {
+    var yOffset = -185;
+    var elem = document.querySelector(selector);
+    var top = elem.getBoundingClientRect().top;
+    window.scrollTo({
+      top: top + window.scrollY + yOffset,
+      behavior: "smooth"
+    });
+  }, 100);
+}
+document.addEventListener("DOMContentLoaded", function () {
+  function toggleLogoState() {
+    var scrollY = window.scrollY || window.pageYOffset;
+    if (scrollY > 10) {
+      document.querySelector("#header").classList.add("minimized");
+    } else {
+      document.querySelector("#header").classList.remove("minimized");
+    }
+  }
+  window.addEventListener("scroll", function () {
+    toggleLogoState();
+  });
+});