v0.7.1

• [feat] Updates shoutrrr to v0.7.1 to enable support for ntfy notifications.
  • thanks @adamantike 🥳
  • fixes #433
  • closes #471
• [feat] Allow configuration files with yml extension
  • thanks @adamantike 🥳
  • fixes #79
  • closes #472
• [feat] simplify docker image build
  • thanks @modem7 🥳
  • fixes #461