Adds new plugin [nathan-gs/ha-map-card]

[nathan-gs]

Adding https://github.com/nathan-gs/ha-map-card as default repo.

Checklist

• [x] I've read the publishing documentation.
• [x] I've added the HACS action to my repository.
• [ ] (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/nathan-gs/ha-map-card/releases/tag/v0.3.3 Link to successful HACS action (without the ignore key): https://github.com/nathan-gs/ha-map-card/actions/runs/8030732736/job/21938354012 Link to successful hassfest action (if integration): <>

[nathan-gs]

@ludeeus could you review this one? Thx a lot