feat(ApeNameTeamE): tambah proyek web-beasiswa-untan

Memindahkan seluruh file web-beasiswa-untan (assets, data, index.html,
SRS/SDD, PROJECT_CONTEXT) ke dalam folder grup ApeNameTeamE.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

groups/ApeNameTeamE/assets/js/counter.js

@@ -0,0 +1,53 @@
+// =====================================================
+// counter.js — Animasi Counter Statistik
+// Menggunakan IntersectionObserver + requestAnimationFrame
+// =====================================================
+
+/**
+ * Animasi angka dari 0 ke nilai target
+ * @param {HTMLElement} el - Elemen yang menampilkan angka
+ * @param {number} target - Angka target
+ * @param {number} duration - Durasi animasi dalam ms
+ */
+function animateCounter(el, target, duration = 1800) {
+  const startTime = performance.now();
+
+  function update(currentTime) {
+    const elapsed = currentTime - startTime;
+    const progress = Math.min(elapsed / duration, 1);
+
+    // Ease out cubic — percepat di awal, lambat di akhir
+    const eased = 1 - Math.pow(1 - progress, 3);
+    const current = Math.round(eased * target);
+
+    el.textContent = current;
+
+    if (progress < 1) {
+      requestAnimationFrame(update);
+    }
+  }
+
+  requestAnimationFrame(update);
+}
+
+function initCounters() {
+  const counters = document.querySelectorAll('[data-counter]');
+  if (!counters.length) return;
+
+  const observer = new IntersectionObserver(
+    (entries) => {
+      entries.forEach(entry => {
+        if (entry.isIntersecting && !entry.target.dataset.animated) {
+          entry.target.dataset.animated = 'true';
+          const target = parseInt(entry.target.dataset.counter, 10) || 0;
+          animateCounter(entry.target, target);
+        }
+      });
+    },
+    { threshold: 0.6 }
+  );
+
+  counters.forEach(el => observer.observe(el));
+}
+
+document.addEventListener('DOMContentLoaded', initCounters);