Issue 42: Opt-in telemetry: starforge telemetry disable and privacy doc

[Nanle-code]

Labels: enhancement, privacy

Description:
src/utils/telemetry.rs writes local logs; users need explicit opt-out and README privacy section.

Acceptance criteria:

Subcommand or config set telemetry.enabled false.
No network send until remote endpoint issue is implemented.
Files:

src/utils/telemetry.rs
src/utils/config.rs
README.md

[Olamidepy]

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

Kindly assign me to this issue boss.

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

[maztah1]

@maztah1 has applied to work on this issue as part of the Stellar Wave Program's 5th wave.

I’d love to work on this issue please

ℹ️ Repo Maintainers: To accept this application, review their application or assign @maztah1 to this issue.

[drips-wave]

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

🧑‍💻 @Olamidepy: 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.

Warning

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🌊 Happy Wave 🌊