Add "Hot Reload" tutorial and update navigation in "First API" tutorial

[christiangoerdes]

Summary by CodeRabbit

• Documentation
  • Added a new getting-started tutorial demonstrating hot reload (change upstream target without restarting).
  • Updated the tutorial “Continue” step to point to the new Hot Reload tutorial.
• Chores
  • Harmonized configuration-change log messaging (consistent capitalization) and lowered one configuration-change notification to debug level.
  • Updated the roadmap with “Log harmonization” guidance and examples.

[christiangoerdes]

/ok-to-test

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Path: .coderabbit.yaml

Review profile: CHILL

Plan: Pro

Run ID: 878186b1-6813-4736-945c-3ae66047f760

📥 Commits

Reviewing files that changed from the base of the PR and between 743d876 and cd1dc6d.

📒 Files selected for processing (3)

• core/src/main/java/com/predic8/membrane/core/router/hotdeploy/YamlHotDeploymentThread.java
• core/src/main/java/com/predic8/membrane/core/router/hotdeploy/YamlRouterReloader.java
• docs/ROADMAP.md

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📝 Walkthrough

Walkthrough

The getting-started tutorial now includes a hot reload workflow. Configuration reload log messages are adjusted, and the roadmap records log message casing harmonization.

Changes

Hot reload and logging updates

Layer / File(s)	Summary
Hot reload tutorial workflow distribution/tutorials/getting-started/00-First-API.yaml, distribution/tutorials/getting-started/05-Hot-Reload.yaml	The tutorial now references a new hot reload example that configures port 2000, changes the upstream URL, and verifies reloading without a restart.
Configuration reload log harmonization core/src/main/java/com/predic8/membrane/core/router/hotdeploy/YamlHotDeploymentThread.java, core/src/main/java/com/predic8/membrane/core/router/hotdeploy/YamlRouterReloader.java, docs/ROADMAP.md	Configuration change detection logs at debug level, reload success uses updated capitalization, and the roadmap adds log casing harmonization guidance.

Estimated code review effort: 1 (Trivial) | ~5 minutes

Suggested labels: 7.x

Suggested reviewers: rrayst

Poem

A rabbit hops through YAML bright,
Hot reload changes take their flight.
Logs now whisper, neat and clear,
Fresh config arrives without fear.
Thump, thump—new routes appear!

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title clearly matches the main changes: adding a Hot Reload tutorial and updating First API navigation.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

✨ Finishing Touches

📝 Generate docstrings

• Create stacked PR
• Commit on current branch

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Commit unit tests in branch hot-reload-tutorial

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[membrane-ci-server]

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