rename episode activity cache

set two toggle switches to run housekeeping tasks seperately if needed

number of seasons and episodes + publication date of the first episode

- configure service-worker using vite-plugin-pwa
- refactor Image entity to generate images of
different types based on size config
- add requirement for webp library for php gd to generate webp
images for instance
- add action to regenerate all instance images for eventual Images config
changes
- enhance google lighthouse metrics for pwa

- refactor meta-tags by generating them in the controller and injecting them into the views
- use
`melbahja/seo` library to build opengraph and twitter meta-tags + schema.org objects

- rename image fields on podcast, episode and persons for better clarity
- set different sizes
config for podcast cover, banner and persons avatars
- add tiny size for covers
- fix responsive
on admin forms

- add About podcast page
- use different layout for episode pages
- improve on user feedback with
design
- restructure app theme folders
- update js packages to latest versions

app, admin, install and authentication views are now located in root themes/ folder

- update Component class structure and remove component helper function and ComponentLoader
- update residual activitypub naming to fediverse

- create Admin, Analytics, Auth, Fediverse and Install modules in the root modules/ folder
- rename
ActivityPub to Fediverse

- remove confusing counts for episode (total favourites, total reblogs)
- add comments section to
episode page to display episode comments + post replies linked to the episode

- use vimejs as audio player
- add global audio player + play episode buttons on public pages
-
refactor admin episodes list from a grid to a data table
- arrange episode cards to be more
readable

closes #131

- use default avatar image if person image is not set
- add thumbnail and medium default avatar
images
- set default avatar images directly in public/media folder
- remove public/media's root
folder from .gitignore
- remove unnecessary copy:images script and cpy-cli package

closes #125

- podcast name was too vague and didn't come clearly for users: handle is more relevant
- update
package.json dependencies and remove unnused packages

closes #126

update getid3 to latest dev branch

Podcast import crashed because of type errors

New episodes were no longer published on some platforms: the item guid was no longer set for new
episodes.