Sumber aset (boleh dipakai bebas untuk latihan siswa)

Foto (Unsplash License, https://unsplash.com/license), diambil lewat picsum.photos dan diperkecil ke 800x500:
  pemandangan.jpg   Paul Jarvis            https://unsplash.com/photos/6J--NXulQCs
  air-terjun.jpg    Paul Jarvis            https://unsplash.com/photos/NYDo21ssGao
  gunung.jpg        Go Wild                https://unsplash.com/photos/V0yAek6BgGk
  sungai.jpg        Alexey Topolyanskiy    https://unsplash.com/photos/-oWyJoSqBRM
  hutan.jpg         Christian Joudrey      https://unsplash.com/photos/mWRR1xj95hg
  bunga.jpg         Steven Spassov         https://unsplash.com/photos/tVIqMgGlAG0
  stroberi.jpg      veeterzy               https://unsplash.com/photos/OJJIaFZOeX4
  sayuran.jpg       Webvilla               https://unsplash.com/photos/hv1MrBzGGNY
  kopi.jpg          Karl Fredrickson       https://unsplash.com/photos/TYIzeCiZ_60
  laptop.jpg        Galymzhan Abdugalimov  https://unsplash.com/photos/ICW6QYOcdlg
  meja-belajar.jpg  Aleks Dorohovich       https://unsplash.com/photos/nJdwUHmaY8A
  anak-anjing.jpg   André Spieker          https://unsplash.com/photos/8wTPqxlnKM4
  anjing-pug.jpg    Matthew Wiebe          https://unsplash.com/photos/U5rMrSI7Pn4
  singa.jpg         Samuel Scrimshaw       https://unsplash.com/photos/sseiVD2XsOk
  walrus.jpg        Jay Ruzesky            https://unsplash.com/photos/h13Y8vyIXNU

video-contoh.mp4  dibuat dari pemandangan.jpg (efek zoom 8 detik, tanpa suara) dengan ffmpeg.
profil.svg, logo.svg  dibuat khusus untuk aplikasi ini.

Menambah aset sendiri: taruh file di folder public/aset/ di server, lalu tambahkan
namanya ke daftar di public/aset/aset.js agar muncul di halaman galeri.
Pakai nama file huruf kecil tanpa spasi (contoh: logo-osis.png).