Add missing installation guide to Brouter demo (#12731)

[msynk]

closes #12731

Summary by CodeRabbit

• Documentation
  • Updated getting-started instructions with explicit NuGet commands for installing Bit.Brouter.
  • Added optional setup instructions for Bit.Brouter.Generators.
  • Included package reference examples with version 10.5.0 and generator asset configuration.
  • Refined project setup guidance for adding routing and code generation to Blazor applications.

[coderabbitai]

Walkthrough

The Brouter demo pages now include explicit NuGet commands and PackageReference examples for Bit.Brouter and the optional Bit.Brouter.Generators package, using version 10.5.0 and generator package isolation.

Changes

Brouter installation documentation

Layer / File(s)	Summary
Package installation examples src/Brouter/Demos/Core/Pages/HomePage.razor, src/Brouter/Demos/Core/Pages/GeneratorPage.razor	Getting-started instructions now show package installation commands and PackageReference examples for Bit.Brouter and Bit.Brouter.Generators; the generator reference uses PrivateAssets="all".
Estimated code review effort: 1 (Trivial)	~5 minutes

Suggested reviewers: yasmoradi

Poem

A rabbit hops through NuGet snow,
With packages ready, set to go.
Brouter guides now clearly gleam,
Generators join the setup stream.
10.5.0—a carrot dream!

🚥 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 states the main change: adding installation guidance to the Brouter demo.
Linked Issues check	✅ Passed	The changes add installation instructions to both demo pages, matching issue #12731.
Out of Scope Changes check	✅ Passed	The edits stay within documentation changes for the demo pages and add no unrelated runtime behavior.
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

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[coderabbitai]

Actionable comments posted: 1

🤖 Prompt for all review comments with AI agents

Verify each finding against current code. Fix only still-valid issues, skip the
rest with a brief reason, keep changes minimal, and validate.

Inline comments:
In `@src/Brouter/Demos/Core/Pages/HomePage.razor`:
- Around line 22-31: Align both installation examples with the pinned package
version: in src/Brouter/Demos/Core/Pages/HomePage.razor lines 22-31 and
src/Brouter/Demos/Core/Pages/GeneratorPage.razor lines 30-38, add the 10.5.0
version option to both Bit.Brouter and Bit.Brouter.Generators CLI commands,
leaving the existing PackageReference versions unchanged.

🪄 Autofix (Beta)

Fix all unresolved CodeRabbit comments on this PR:

• Push a commit to this branch (recommended)
• Create a new PR with the fixes

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ℹ️ Review info

⚙️ Run configuration

Configuration used: Repository UI

Review profile: CHILL

Plan: Pro

Run ID: ff248332-7522-496f-b97b-c77d49039df9

📥 Commits

Reviewing files that changed from the base of the PR and between c45ae26 and 11810c3.

📒 Files selected for processing (2)

• src/Brouter/Demos/Core/Pages/GeneratorPage.razor
• src/Brouter/Demos/Core/Pages/HomePage.razor