fixes #412

update composer dependencies to latest

+ update phpstan and rector configs

closes #222

- add default values for Config/Email properties
- set mariadb to the minimal required version for development

fixes #204

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

- 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 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