docs: Updated telemetry disclosure

[kirit93]

Updated telemetry details

[github-actions]

Docs preview: https://22f6e6e8.dd-docs-preview.pages.dev

Notebook tutorials are placeholder-only in previews.

[greptile-apps]

Greptile Summary

This PR refactors the telemetry disclosure in README.md: the brief intro section is simplified and now links to a new, more comprehensive "Telemetry & privacy" section added at the end of the document, which covers data collected, opt-out mechanics, and third-party endpoint privacy practices. The top-models chart and its date range/last-updated stamp are refreshed to reflect YTD data through May 1, 2026.

Confidence Score: 5/5

Documentation-only change with no code impact; safe to merge.

No logic, code, or security issues are present. Changes are limited to README prose restructuring and a refreshed binary image asset.

No files require special attention.

Important Files Changed

Filename	Overview
README.md	Telemetry section condensed with a link to a new detailed "Telemetry & privacy" section; chart date range updated to YTD 1/1/2026–5/1/2026 and last-updated stamp refreshed to May 1, 2026.
docs/images/top-models.png	Binary chart image updated to reflect expanded YTD date range through May 1, 2026.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[User reads README] --> B[Telemetry section - brief summary]
    B --> C{Opt out?}
    C -- "Set NEMO_TELEMETRY_ENABLED=false" --> D[Telemetry disabled]
    C -- "Keep default" --> E[Telemetry enabled]
    E --> F[Collects model names + token counts]
    F --> G[Aggregated data shared with community]
    B --> H["More details → #telemetry-and-privacy"]
    H --> I[Telemetry & privacy section]
    I --> J[Scope: NeMo Data Designer library only]
    I --> K["Third-party endpoints (e.g. NVIDIA Build) governed by their own ToS"]

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_{Reviews (2): Last reviewed commit: "Updated chart to YTD" | Re-trigger Greptile}

[johnnygreco]

@kirit93 – I'm thinking we should use a wider time window for these charts. It's too dominated by the current research project we are working on.

[kirit93]

Updated to YTD.