3.0.3

What's Changed

• Relocate usage documentation with local images by @Confectrician in #440
• Update github action markdown linting files path by @jsetton in #444
• Add unsupported payload version error by @jsetton in #445
• Cache openhab posted command as string by @jsetton in #446
• Add security panel handler no arm state property error by @jsetton in #447
• Add all cookie properties to serialized directive object by @jsetton in #448

Full Changelog: 3.0.2...3.0.3