Adds new integration [ThaStealth/alfen_modbus]

[ThaStealth]

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/ThaStealth/alfen_modbus/releases/tag/v0.1.3b
Link to successful HACS action (without the ignore key): https://github.com/ThaStealth/alfen_modbus/actions/runs/12715501908
Link to successful hassfest action (if integration): https://github.com/ThaStealth/alfen_modbus/actions/runs/12715501908

[hacs-bot]

The submitted name thastealth/alfen_modbus does not match what GitHub returns for the repository (ThaStealth/alfen_modbus).

[hacs-bot]

Your repository is now waiting to be included in HACS. Please be patient, this will take some time.

You can see the current queue here (this is the order that is being used).

There is no need to:

• Comment on the PR, the reviewer will get back to you.
• Open a new PR, this will not speed up the process.
• Ask your folowers to spam the PR, this will not speed up the process.

[ThaStealth]

So I never got the notification from my attempt in 2023 to include this integration into HACS, and apparently it failed due to some uppercase/lowercase stuff of my nickname :(. This time I modified it (hopefully) correctly :)