Add citymind water meter

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Checklist

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

Links

Link to current release: https://github.com/maorcc/citymind_water_meter/releases/tag/v3.0.7
Link to successful HACS action (without the ignore key): https://github.com/maorcc/citymind_water_meter/actions/runs/9824967520
Link to successful hassfest action (if integration): <>

[hacs-bot]

PR was not complete, recreate it when it's ready.