Summary: Extract RemoteKeyboard.qml into declarativeplugin to be able to use it from both plasmoid and app without code duplication
Reviewers: #kde_connect, hkaelberer, apol
Reviewed By: #kde_connect, apol
Subscribers: kdeconnect, mtijink, apol, #kde_connect
Tags: #kde_connect
Differential Revision: https://phabricator.kde.org/D12670