refactor(plugins): create Field objects per field type in settings forms + handle rendering in class

update manifest.schema.json to have defaultValue type differ based on field type

update php and js packages to latest

escape plugin description + replace codeigniter-icons with php-icons v1.2

add hint to select options + update dependencies to latest

refs #457

refs #445

update php and js dependencies to latest

+ show default podcast website (castopod) link first in links page

closes #396

+ update js packages to latest

- clean web components and js modules
- update js dependencies to latest

fixes #351

+ migrate phpunit config file to new format

- add deleteAll method to file manager
- refactor deletePodcastImageSizes and
deletePersonImagesSizes implementations

update php and js dependencies to latest

Users may choose between filesystem (FS) or S3 to store and manage their media files

update php and js dependencies to latest