Subscribe pages - Meta-Issue & Enhancements

Like I mentioned above someone will have to add all the data, and pasting to-dos here from PR (for ease of reading):

### To-dos:
- [ ] swap out fireside images with local ones
- [ ] remove/fix Google Play links (src: https://github.com/JupiterBroadcasting/jupiterbroadcasting.com/pull/291#discussion_r946883932)
- [ ] if removed also remove image: https://github.com/JupiterBroadcasting/jupiterbroadcasting.com/pull/291#discussion_r946910650
- [ ] change pocket cast to new format (src: https://github.com/JupiterBroadcasting/jupiterbroadcasting.com/pull/291#discussion_r946891639)
- [ ] link to subscribe page #333
- [ ] create a main jb.com/subscribe page
- [x] #404

_Originally posted by @elreydetoda in https://github.com/JupiterBroadcasting/jupiterbroadcasting.com/issues/66#issuecomment-1216987748_