Move lib/ to src/ for modules

composer.json

modules/admin/src/Controller/Config.php

modules/admin/src/Controller/Federation.php

modules/admin/src/Controller/Menu.php

modules/admin/src/Controller/Sandbox.php

modules/admin/src/Controller/Test.php

modules/core/src/Auth/Process/AttributeAdd.php

modules/core/src/Auth/Process/AttributeAlter.php

modules/core/src/Auth/Process/AttributeCopy.php

modules/core/src/Auth/Process/AttributeLimit.php

modules/core/src/Auth/Process/AttributeMap.php

modules/core/src/Auth/Process/AttributeValueMap.php

modules/core/src/Auth/Process/Cardinality.php

modules/core/src/Auth/Process/CardinalitySingle.php

modules/core/src/Auth/Process/ExtendIdPSession.php

modules/core/src/Auth/Process/GenerateGroups.php

modules/core/src/Auth/Process/LanguageAdaptor.php

modules/core/src/Auth/Process/PHP.php

modules/core/src/Auth/Process/ScopeAttribute.php

modules/core/src/Auth/Process/ScopeFromAttribute.php