[TASK] #158 Cookie List plugin

Classes/Controller/OptinController.php

Configuration/FlexForms/CookieList.xml

Configuration/TCA/Overrides/tt_content.php

Resources/Private/Language/de.locallang_db.xlf

Resources/Private/Language/locallang_db.xlf

Resources/Private/Templates/CookieList/Default.html

Resources/Private/Templates/CookieList/Full.html

Resources/Private/Templates/Optin/CookieList.html

Resources/Public/StyleSheets/Mustache/Template/Default.css

Resources/Public/StyleSheets/Mustache/Template/Full.css

Resources/Public/StyleSheets/cookieOptin.css