Issue #3156251 by sunlix, Feng-Shui: Support for more settings

README.md

config/install/open_readspeaker.settings.yml

config/schema/open_readspeaker.schema.yml

js/conf.js

js/post_mode.js

open_readspeaker.install

open_readspeaker.libraries.yml

open_readspeaker.module

open_readspeaker.services.yml

src/EventSubscriber/CspSubscriber.php

src/Form/OpenReadSpeakerSettingsForm.php

src/Plugin/Block/OpenReadspeakerBlock.php