Changes in v2.2.1

Commits since v2.2.0:

• fix: merging actions breaking (7585c3b)
• readme: add contribution guidelines (98671af)
• feat: add light dark mode handling by setting dark or light class to window (0eff0c7)
• minor: print configured and available actions separately (d1dfcef)
• adjusted issue template (cff8d71)
• adjusted issue template (ebf13bf)
• Update issue templates (8ace326)
• repo: adjust gh worflow (c0c6567)
• minor: handle argument parsing in walker (d2733da)
• minor: add theme name to theme error message (ee76fe3)