feat: Add SLNX file

[HofmeisterAn]

What does this PR do?

This PR adds support for the SLNX file.

Why is it important?

-

Related issues

-

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[coderabbitai]

Summary by CodeRabbit

• Chores
  • Added a new solution descriptor file that organizes project structure and improves solution navigation by explicitly referencing all source and test projects.

Walkthrough

A new solution descriptor file Testcontainers.slnx is introduced at the repository root. This XML-structured configuration file defines the solution structure, organizing C# projects from src/ directories and corresponding test projects under tests/ into a cohesive solution layout.

Changes

Cohort / File(s)	Summary
Solution Descriptor Testcontainers.slnx	New XML solution file defining structure with <Solution>, <Folder>, <File>, and <Project> elements; enumerates source projects (src/Testcontainers.*.csproj), test projects (tests/Testcontainers.*.Tests/*.csproj), and test root folder references.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

• Verify all project paths referenced in the solution file exist and match the repository structure
• Check for duplicate or incorrectly formatted project references
• Ensure folder organization aligns with intended solution structure

Poem

🐰 A slnx file hops into view,
Organizing all the projects, tried and true!
From src to tests, it weaves them tight,
One solution descriptor shining bright! ✨

Pre-merge checks and finishing touches

❌ Failed checks (1 warning, 1 inconclusive)

Check name	Status	Explanation	Resolution
Description check	⚠️ Warning	The PR description is incomplete. While it states the PR adds SLNX support, the 'Why is it important?' section is empty, related issues are not linked, and testing instructions are absent.	Complete the description by explaining the rationale/motivation, linking any related issues, and providing testing instructions or validation steps for reviewers.
Title check	❓ Inconclusive	The title 'feat: Add SLNX file' is vague and generic, using non-descriptive terms that don't convey the specific purpose or impact of adding the solution descriptor file.	Clarify the title to explain the purpose (e.g., 'feat: Add SLNX solution file for consolidated project management' or 'feat: Introduce solution descriptor file with all projects').

✅ Passed checks (1 passed)

Check name	Status	Explanation
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

✨ Finishing touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch feature/add-slnx-file

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📜 Recent review details

Configuration used: CodeRabbit UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between 5717a2b and 5f202ff.

📒 Files selected for processing (1)

• Testcontainers.slnx (1 hunks)

⏰ Context from checks skipped due to timeout of 90000ms. You can increase the timeout in your CodeRabbit configuration to a maximum of 15 minutes (900000ms). (1)

• GitHub Check: analyze (csharp)

🔇 Additional comments (1)

Testcontainers.slnx (1)

1-146: Verify whether the template project should be included in the solution.

All 133 referenced projects in the SLNX file exist and no projects listed in the file are missing from the repository. However, one project exists in the repository but is not referenced:

• src/Templates/CSharp/Testcontainers.ModuleName/Testcontainers.ModuleName.csproj

This appears to be a template project (based on its path and naming). Confirm whether this should be intentionally excluded or if it needs to be added to the SLNX file.

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