coding standard fixes

config/install/rest_api_authentication.settings.yml

config/schema/rest_api_authentication.schema.yml

css/rest_api_authentication.basic_style_settings.css

css/rest_api_authentication.style_settings.css

rest_api_authentication.install

rest_api_authentication.module

rest_api_authentication.routing.yml

rest_api_authentication.services.yml

src/API_Authentication_API_Token.php

src/API_Authentication_Basic_Auth.php

src/ApiAuthenticationApiToken.php

src/ApiAuthenticationBasicAuth.php

src/Authentication/Provider/restAPI.php

src/Controller/RestApiAuthenticationController.php

src/Form/MiniornageAPIAuthnRequestSupport.php

src/Form/MiniornageAPIAuthnRequestTrial.php

src/Form/miniorangeAPIAuth.php

src/MiniorangeApiAuthConstants.php

src/MiniorangeApiAuthSupport.php

src/MiniorangeRestAPICustomer.php