prometheus: add reload function

prometheus: fix installation of web templates

Move prometheus packages into main repo

prometheus: upgrade to 2.15.1

Normalize prometheus packages

prometheus: upgrade to 2.14.0

prometheus: upgrade to 2.11.1

prometheus: upgrade to 2.11.0

prometheus: checkpath on log files

Update prometheus, alertmanager init scripts

Install prometheus data dir

prometheus/prometheus: new APKBUILD