conversation: add swarm pages

qml.qrc

resources/icons/swarm_details_panel.svg

src/constant/JamiStrings.qml

src/contactadapter.cpp

src/conversationsadapter.cpp

src/conversationsadapter.h

src/currentconversation.cpp

src/currentconversation.h

src/mainview/MainView.qml

src/mainview/components/ChatView.qml

src/mainview/components/ChatViewHeader.qml

src/mainview/components/NewSwarmPage.qml

src/mainview/components/SidePanel.qml

src/mainview/components/SwarmDetailsPanel.qml