feat: Project list, get and set commands

[nterbogt]

• skpr project list
• skpr project get
• skpr project set contact "me@example.com"

[Copilot]

Pull request overview

Adds new skpr project CLI capabilities to list projects, get current project details, and set project attributes (contact/tags).

Changes:

• Introduces skpr project list, skpr project get, and skpr project set <key> <value> commands wired into the root CLI.
• Adds project environment formatting helper (ListEnvironmentsByName) plus a unit test.
• Implements list/get table output and set operations via the API client.

Reviewed changes

Copilot reviewed 10 out of 10 changed files in this pull request and generated 9 comments.

Show a summary per file

File	Description
internal/project/project.go	Adds helper to order environments for display (currently mutates input slice).
internal/project/project_test.go	Tests environment ordering helper.
internal/command/project/set/command.go	Implements setting project attributes (contact, tags).
internal/command/project/list/command.go	Implements listing projects and rendering a table (has package/comment/copy-paste issues).
internal/command/project/get/command.go	Implements fetching and printing current project details (comment mismatch).
cmd/skpr/project/set/command.go	Adds Cobra wiring for skpr project set.
cmd/skpr/project/list/command.go	Adds Cobra wiring for skpr project list.
cmd/skpr/project/get/command.go	Adds Cobra wiring for skpr project get (missing args validation; help text mismatch).
cmd/skpr/project/command.go	Registers project command and subcommands (comment mismatch).
cmd/skpr/main.go	Registers the new top-level project command.

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[nterbogt]

Might be worth considering a rename of the get command to info to match other interfaces in the CLI.