Deploy only on main branch

Add github CI stuff

Update to 1.2.25

[nemo-qml-plugin-notifications] update to 1.2.23

update to 1.2.21

[nemo-qml-plugin-calendar] update to 0.6.51

update to 1.2.19

Move to release mode

update to new version

update per changase in nemo-packaging

sailfishos to github/sailfishos

enforce make install -j 1 due qmake incorrect behavior

add ci

Initiate PKG