doc(Html2Pdf): add QA documentation

[ArgoZhang]

Link issues

fixes #6444

Summary By Copilot

Regression?

• Yes
• No

Risk

• High
• Medium
• Low

Verification

• Manual (required)
• Automated

Packaging changes reviewed?

• Yes
• No
• N/A

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• Merge the latest code from the main branch

Summary by Sourcery

Documentation:

• Include a ‘Common Questions’ FAQ in Html2Pdfs.razor covering logging troubleshooting, manual Chrome headless installation on Debian, dependency checks, and download caching behavior.

[sourcery-ai]

Reviewer's Guide

Adds a comprehensive FAQ section to the Html2Pdfs sample component, covering common usage problems, troubleshooting logs, Chrome installation commands for Debian, dependency checks, and download behavior.

File-Level Changes

Change	Details	Files
Introduce a dedicated FAQ section in the Html2Pdfs sample	Add header and Q&A pairs for common usage issues Include log output example for debugging Chrome-headless download Provide Debian Chrome installation commands List checks for missing Chrome dependencies on Debian Clarify that downloaded browser is cached and not re-downloaded	src/BootstrapBlazor.Server/Components/Samples/Html2Pdfs.razor

Assessment against linked issues

Issue	Objective	Addressed	Explanation
#6444	Add QA documentation for the Html2Pdf component, including sample code and answers to common questions.	✅

Possibly linked issues

• doc(Html2Pdf): add QA documentation #6444: PR adds documentation on common Html2Pdf issues, including Chromium download failures, directly addressing the issue's problem.

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[sourcery-ai]

Hey @ArgoZhang - I've reviewed your changes and they look great!

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[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 100.00%. Comparing base (a8b3a46) to head (94c0a27).
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##              main     #6445   +/-   ##
=========================================
  Coverage   100.00%   100.00%           
=========================================
  Files          748       748           
  Lines        32259     32259           
  Branches      4560      4560           
=========================================
  Hits         32259     32259           

Flag	Coverage Δ
BB	100.00% <ø> (?)

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