Add Solea Tram app for Mulhouse, France

[QuentinDevly]

New app displaying real-time tram departures for the Solea network in Mulhouse, France.

Features:

• 34 tram stations available
• Official line colors (Line 1 red, Line 2 yellow, Line 3 green, Tram-Train light green)
• Shows next 3 trams with destination and waiting time
• Color-coded waiting times (green = imminent, yellow = soon)

[tidbyt]

⚠️ The automated review process is experimental and likely has bugs. Please bear with us as we iron out the kinks and enable you to ship changes at high velocity 🚀

Next Steps

Hello! Thank you so much for your change 🤜 🤛 . There are a few things you need to do:

• Sign the CLA if you haven't already
• Ensure your build is green! Any problem will display a proposed solution to try out
• Get a review, either by Tidbyt Bot or by a Tidbyt engineer

Manual Review Required

Hang tight! A Tidbyt engineer will be by shortly to review your change. Here is what they will be looking for:

	Test	Details
✅	App Dir	All files are in a single app directory
🟡	Modules	Usage of http.star requires review
✅	Original Author	The original author matches the PR author

[tidbyt-bot]

CLA Assistant Lite bot:
Thank you for your submission, we really appreciate it. Like many open-source projects, we ask that you sign our Contributor License Agreement before we can accept your contribution. You can sign the CLA by just posting a Pull Request Comment same as the below format.

---

I have read the CLA Document and I hereby sign the CLA

---

_{You can retrigger this bot by commenting recheck in this Pull Request}

[QuentinDevly]

I have read the CLA Document and I hereby sign the CLA

[QuentinDevly]

recheck