Have the ability to order podcasts by activity / in alphabetical order
### Is your feature request related to a problem? Please describe
Users may have a hard time looking through a growing list of podcasts. The more podcasts there is, the harder it is for people to find what they're looking for.
### Describe the solution you'd like
By default, podcasts should be ordered by activity, depending on the date that a new post has been created for it.
### Describe alternatives you've considered
Add a dropdown menu for ordering the podcasts by recent activity (default) / newest first / oldest first
### Additional context

issue