popup design notes

[WordPress Popups](https://elementor.com/popup-builder/)
[🎬 Introducing Elementor Popups, The Ultimate Popup Builder](https://www.youtube.com/watch?v=GGG6VftLiwU)
- [x] Email Subscriptions​
- [x] Login Forms
- [x] Promotion & Sale Banners​
- [x] Lead Capture
- [x] Announcements
- [x] Content Lock & Upgrades​
- [x] Related Products & Upsells
- [x] Exit Intent
- [x] Welcome Mat
