Add dotnetup --info, dotnetup --version, dotnetup list

[nagilson]

Resolves #50613

Please see the added documentation specs for options provided.
A machine readable format via --json is added alongside a human readable version.

[nagilson]

Hm, I'm wondering why we're running SDK tests on the dnup branch.

Anyway, this is part of why I didn't intend to do so 😁

Edit: Ah, I changed copilot instructions which are in the sdk code root.

[Copilot]

Pull request overview

This pull request adds diagnostic and introspection capabilities to the dotnetup tool by implementing --info, --version, and list commands. These features enable users to view information about the dotnetup tool itself and list .NET installations it manages, addressing issue #50613.

Changes:

• Adds dotnetup --info option to display dotnetup version, architecture, commit, and optionally list managed installations
• Adds dotnetup list subcommand to list all .NET SDKs and runtimes managed by dotnetup
• Adds Parser.Version property and tests for --version functionality (implementation missing)
• Provides both human-readable and machine-readable (JSON) output formats for all new commands
• Updates localization files with new strings marked as "new" for translation
• Adds comprehensive test coverage and documentation

Reviewed changes

Copilot reviewed 31 out of 31 changed files in this pull request and generated 13 comments.

Show a summary per file

File	Description
src/Installer/dotnetup/Parser.cs	Adds InfoOption, Version property, list command registration, and root action handler for --info
src/Installer/dotnetup/Program.cs	Simplifies invocation by directly calling Parser.Invoke(args)
src/Installer/dotnetup/CommonOptions.cs	Adds shared JsonOption for use across commands
src/Installer/dotnetup/Commands/Info/InfoCommand.cs	Implements --info command with human-readable and JSON output
src/Installer/dotnetup/Commands/Info/InfoCommandParser.cs	Defines options for --info command
src/Installer/dotnetup/Commands/List/ListCommand.cs	Implements list command with InstallationLister utility class
src/Installer/dotnetup/Commands/List/ListCommandParser.cs	Defines list subcommand and its options
src/Installer/Microsoft.Dotnet.Installation/InstallComponent.cs	Adds GetDisplayName extension method for component display names
src/Installer/dotnetup/Commands/Sdk/Install/SdkInstallCommandParser.cs	Updates description from "Installs the .NET SDK" to "Installs .NET"
src/Installer/dotnetup/Strings.resx	Adds new localized strings for info and list commands
src/Installer/dotnetup/xlf/*.xlf	Updates all localization files with new strings marked as "new"
src/Installer/dotnetup/dotnetup.csproj	Adds versioning configuration (VersionPrefix and PreReleaseVersionLabel)
test/dotnetup.Tests/ParserTests.cs	Adds tests for --version option parsing and output
test/dotnetup.Tests/InfoCommandTests.cs	Comprehensive tests for info command functionality
test/dotnetup.Tests/ListCommandTests.cs	Comprehensive tests for list command functionality
documentation/general/dotnetup/dotnetup-info.md	Complete documentation for --info command
documentation/general/dotnetup/dotnetup-list.md	Complete documentation for list command
src/Installer/installer.code-workspace	Updates debug launch configuration for more flexible argument input
.github/copilot-instructions.md	Adds dotnetup-specific build and test instructions