[ #11337 ] Add basic text to speech status for calls

kde/po/fr/sflphone-client-kde.po

kde/src/CMakeLists.txt

kde/src/CallView.cpp

kde/src/KSpeechInterfaceSingleton.cpp

kde/src/KSpeechInterfaceSingleton.h

kde/src/SFLPhone.cpp

kde/src/SFLPhoneAccessibility.cpp

kde/src/SFLPhoneAccessibility.h

kde/src/klib/dataengine/sflphonEngine.cpp

kde/src/lib/Call.cpp

kde/src/lib/Call.h

kde/src/lib/CallModel.cpp

kde/src/lib/CallModel.h

kde/src/lib/CallModel.hpp

kde/src/lib/Contact.h

kde/src/main.cpp

kde/src/widgets/ContactItemWidget.cpp

kde/src/widgets/HistoryTreeItem.cpp