feat: prepare a layout to show all the 200 podcast episodes

### What feature?

this is how the podcast intro page looks like


we want to create a gird that contains all the videos, with the thumbnails or the videos embedded

### Add screenshots

_No response_

### Record

- [X] I have checked the existing [issues](https://github.com/FrancescoXX/contentbox/issues)
- [ ] I want to work on this issue

Start by locating the podcast intro page shown in the issue and inspect how its episode content is currently rendered. Create a grid that presents all 200 episodes using thumbnails or embedded videos; done means the full episode set is visible in the new layout.

Written by the indexing model from the issue text.