openHAB - Use https and include doc url

[moodyblue]

✍️ Description

---

• Related Issue: #
• Related PR: #
• Related Discussion: #

---

✅ Prerequisites

The following steps must be completed for the pull request to be considered:

• Self-review performed (I have reviewed my code to ensure it follows established patterns and conventions.)
• Testing performed (I have thoroughly tested my changes and verified expected functionality.)

🛠️ Type of Change

Please check the relevant options:

• [] Bug fix (non-breaking change that resolves an issue)
• New feature (non-breaking change that adds functionality)
• [] Breaking change (fix or feature that would cause existing functionality to change unexpectedly)
• [] New script (a fully functional and thoroughly tested script or set of scripts)

---

📋 Additional Information (optional)

Provide any extra context or screenshots about the feature or fix here.

[michelroegl-brunner]

Is this truly reachable on both ports at the same time?

[moodyblue]

Is this truly reachable on both ports at the same time?

Yes