Issue 29: starforge plugin list shows command aliases and descriptions

[Nanle-code]

Labels: enhancement, plugins

Description:
Registry entries should display loaded plugin metadata from Plugin::description().

Acceptance criteria:

Table output via print utils.
Works with empty registry.
Files:

src/commands/plugin.rs
src/plugins/registry.rs

[broda-spendy]

@broda-spendy has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

Hi, I am a software developer and I would love to fix this issue.

ℹ️ Repo Maintainers: To accept this application, review their application or assign @broda-spendy to this issue.

[drips-wave]

Congratulations, @broda-spendy! 🎉 Your application was accepted by the repo's maintainers, and the issue is due on June 2, 2026.

🧑‍💻 @broda-spendy: Please resolve the issue such that the repo's maintainers have enough time to review your contribution before the due date. You'll earn Points for completing the issue on-time, which will make you eligible for a share of the Stellar Wave Program's reward pool.

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