fix: fixed sending messages on errors (#33)

feat: display muted alerts on Grafana (#32)

* chore: moved filter string generation to function to reuse

* feat: refactor + display muted alerts on Grafana

* chore: fixed Grafana template

* chore: fixed Grafana template, v2

* chore: fixed Grafana alerts querying

feat: allow specifying timezone in config (#30)

feat: display how many alerts were muted when creating/displaying Ale…

…rtmanager silence (#29)

feat: add alert firing since (#27)

feat: add version to /help (#26)

fix: fixed failed render response (#25)

* fix: fixed failed render response

* chore: fixed linting

fix: fix unsilencing by multiple labels (#24)

* fix: fix unsilencing by multiple labels

* fix: fix unsilencing by multiple labels, part 2

feat: allow unsilencing by labels (#23)

feat: add default render options to config (#21)

* feat: add default render options to config

* chore: fixed linting