Adds new integration [wrodie/ha_behringer_mixer]

[wrodie]

Add a new integration Behringer Mixer

Checklist

• [x ] I've read the publishing documentation.
• [x ] I've added the HACS action to my repository.
• [x ] (For integrations only) I've added the hassfest action to my repository.
• [ x] The actions are passing without any disabled checks in my repository.
• [ x] I've added a link to the action run on my repository below in the links section.
• [ x] I've created a new release of the repository after the validation actions were run successfully.

Links

Link to current release: https://github.com/wrodie/ha_behringer_mixer/releases/tag/v0.1.7 Link to successful HACS action (without the ignore key): https://github.com/wrodie/ha_behringer_mixer/actions/runs/7662573493/job/20884023549 Link to successful hassfest action (if integration): https://github.com/wrodie/ha_behringer_mixer/actions/runs/7662573493/job/20884023444