Bug fix for light class

What's Changed

• Update supported devices list by @sayurin in #231
• Add Mitsubishi MAC-577/587 interfaces guide by @tegola in #233
• Fix color_temp kelvin handling in light.py by @SteveCoDx in #241

New Contributors

• @sayurin made their first contribution in #231
• @tegola made their first contribution in #233
• @SteveCoDx made their first contribution in #241

Full Changelog: 3.8.9...3.9.0