Momentum Sponsors Manager

Install:
1. Upload the ZIP in Plugins > Add New > Upload Plugin.
2. Activate the plugin.
3. Go to Momentum Sponsors in the admin menu.
4. Add sponsor entries.
5. Set the expanded and collapsed durations in Momentum Sponsors > Settings.
6. Place shortcode [momentum_sponsors] on any page.

Notes:
- Company Name is the post title.
- Frontend uses the stacked logo in column 1.
- Horizontal logo is saved for future use/customization.
- CTA Button URL is used for the centered button in the middle column.
- Archived entries are excluded from the shortcode output.
- Start Date and End Date control when a sponsor is eligible to appear.
- Sponsors rotate one at a time in display order.