update tailwind to v3.0.0-alpha with its official plugins (forms, typography)

fixes #125

fix components in follow and remote action pages by calling new instances directly

- add rounded classes with conditional border-radius depending on screen width
- add ring-castopod
class to use on focus states

- 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

closes #142

fixes #112, closes #55

soundbites js

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

- replace some helper components and forms with class components in the ui
- create viewcomponents
service and load the component function to be used in views

- 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

- replace hardcoded label values for play_episode_button component

- create permalink-edit web component with slug editing and permalink copy functionalities
- add
@github/clipboard-copy-element
- update npm packages
- replace vscode extension lit-html with
lit-plugin to get css intellisense

- 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

fix #81

- 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