Minimal permissions for 'spo report' commands

We're adding a new Permissions section to all commands. This section will document the minimal delegated and application permissions required to execute the command.

The goal is to:

• Make it easier to run the CLI with custom app registrations and application permissions.
• Ensure we only document the minimal set of permissions needed.
• Keep documentation consistent by placing the Permissions section right before the Examples section.
• If there are multiple resources, order them alphabetically
• If there are commands that only support one type of auth (like delegated or app-only), we have an example for that as well. E.g. m365 planner tenant settings list - Permissions

Resources

• Writing the docs page
• How to document minimal permissions
• Planner example 1
• Planner example 2

Commands in scope

This issue covers the following commands:

• m365 spo report activityfilecounts
• m365 spo report activitypages
• m365 spo report activityusercounts
• m365 spo report activityuserdetail
• m365 spo report siteusagedetail
• m365 spo report siteusagefilecounts
• m365 spo report siteusagepages
• m365 spo report siteusagesitecounts
• m365 spo report siteusagestorage

Start with the eight SharePoint report command documentation pages and read the Writing the docs and minimal permissions guides linked in the issue. Check how each command authenticates and identify the minimal delegated and application permissions, ordering multiple resources alphabetically. Done means every listed page has a Permissions section immediately before Examples, including auth-type-specific cases where applicable.