Update README.md

[p15nishatr]

Rearranged few sections and added a new section - Config File Best Practices

Type of Change

• Bug fix
• New feature
• Code quality improvement
• Other (describe):

Description

• Feature / Bug Fix:

How Has This Been Tested?

Checklist

• The purpose of this PR is explained in this or a referenced issue.
• Tests are included and/or updated for code changes.
• Documentation update required.
• Updates to module CHANGELOG.md are included.
• License headers are included in each file.

Related Links

• Issues

[Copilot]

Pull Request Overview

This PR reorganizes the README.md file structure and adds a new "Config File Best Practices" section to improve documentation clarity. The changes move the "Download Blobfuse2" section to the top, relocate limitations and recommendations sections to the bottom, and provide guidance on proper configuration of Azure Storage account types.

• Moved "Download Blobfuse2" section earlier in the document for better visibility
• Relocated "Limitations in Block Cache" and "Recommendations in Block Cache" sections to appear after the main configuration content
• Added new "Config File Best Practices" section with guidance on Azure Storage account type configuration

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[vibhansa-msft]

Can you talk to Daniel, he has sort of automated this with the command help so that any new option we add, get automatically added to the documentation part.

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