fixes #412

update composer dependencies to latest

refs #321

closes #196, fixes #198

- update CI4 to v4.1.9's stable production package
- update php and js dependencies to latest

- add pleroma, misskey and fosspay platforms
- update adaures/ipcat-php to fix autoload issue
-
fix Breez and Podcast Guru icons

closes #166, #167, #170

removing the css extension prevents having the file hijacked by the web server config

- 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

set 6 base accent colors: pine, lake, jacaranda, crimson, amber and onyx

- set new colors using the css variables for theming in tailwind.config.js
- replace admin and
public colors with new variable enabled colors

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

- 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

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

- 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

fixes #149, #150

- update CI process to include quality stage (tests + code review)
- add captainhook to install git pre-commit & pre-push hooks
- remove .devcontainer Dockerfile to use project's docker-compose services: all
services can now be started automatically using vscode
- update docs/setup-development.md

- get avatar and cover urls from entity: if no image exists, retrieve the default ones.
- always
set icon and image in actor object: set the default ones if podcast hasn't set them.

fixes #111

- add "ActivityPub" library to handle server to server federation and basic
  client to server protocols using activitypub:
  - add webfinger endpoint to look for actor
  - add actor definition with inbox / outbox / followers
  - remote follow an actor
  - create notes with possible preview cards
  - interract with favourites, reblogs and replies
  - block incoming actors and/or domains
  - broadcast/schedule activities to fediverse followers using a cron task
- For castopod, the podcast is the actor:
  - overwrite the activitypub library for castopod's specific needs
  - perform basic interactions administrating a podcast to interact with fediverse users:
    - create notes with episode attachment
    - favourite and share a note + reply
    - add specific castopod_namespaces for podcasts and episodes definitions
- overwrite CodeIgniter's Route service to include alternate-content option for
  activitystream requests
- update episode publication logic:
  - remove publication inputs in create / edit episode form
  - publish / schedule or unpublish an episode after creation
  - the podcaster publishes a note when publishing an episode
- Javascript / Typescript modules:
  - fix Dropdown.ts to keep dropdown menu in foreground
  - add Modal.ts for funding links modal
  - add Toggler.ts to toggle various css states in ui
- User Interface:
  - update tailwindcss to v2
  - use castopod's pine and rose colors
  - update public layout to a 3 column layout
  - add pages in public for podcast activity, episode list and notes
  - update episode page to include linked notes
  - remove previous and next episodes from episode pages
  - show different public views depending on whether user is authenticated or not
  - use Kumbh Sans and Montserrat fonts
- update CodeIgniter's config files
- with CodeIgniter's new requirements, update docker environments are now based on
  php v7.3 image
- move Image entity to Libraries
- update composer and npm packages to latest versions

closes #69 #65 #85, fixes #51 #91 #92 #88