* feat(alerting): add gotify provider feature * feat(alerting): update alert message * feat(test): add tests for gotify provider * feat(docs): add documentation for gotify provider * feat(alerting): rename apptoken to token * feat(docs): update docs for apptoken renaming to token --------- Co-authored-by: Bugra Kocabay <kocabay.bugra@gmail.com> Co-authored-by: TwiN <twin@linux.com>