Identities component

src/sakia/gui/component/controller.py

src/sakia/gui/component/model.py

src/sakia/gui/homescreen/controller.py

src/sakia/gui/identities/__init__.py

src/sakia/gui/identities/controller.py

src/sakia/gui/identities/identities.ui

src/sakia/gui/identities/model.py

src/sakia/gui/identities/table_model.py

src/sakia/gui/identities/view.py

src/sakia/gui/identities_tab.py

src/sakia/gui/navigation/controller.py

src/sakia/gui/navigation/view.py

src/sakia/gui/network/model.py