docs: Added starter dev notes on push to hugging face hub

[nabinchha]

Adds a dev note post to cover push_to_hub feature of Data Designer

[greptile-apps]

Greptile Summary

This PR adds a new developer notes post covering the push_to_hub / push_to_hub_from_folder feature of Data Designer, along with four supporting PNG images, two new author entries in .authors.yml, and an updated mkdocs.yml nav entry.

The post is well-structured and covers the full feature surface — auth resolution, what gets uploaded, processor first-class treatment, auto-generated dataset cards, and round-trip reproducibility via builder_config.json. The previously flagged <!-- more --> multiplicity issue has been resolved (single marker placed correctly after the intro), and the dataset card template path has been updated to the full, verified path packages/data-designer/src/data_designer/integrations/huggingface/dataset_card_template.md.

• The only new finding is plans/479/skip-when-conditional-generation.md — an empty, unrelated file that crept into the branch via a Merge branch 'main' commit. It should be dropped before merging to keep the diff clean.

Confidence Score: 5/5

Safe to merge — all changes are documentation only, with one trivial empty-file cleanup suggestion

No P0 or P1 issues found. The single remaining finding (empty unrelated plans file) is P2 and has no functional impact on the published docs site. Prior review concerns around the excerpt marker have been addressed.

plans/479/skip-when-conditional-generation.md — empty unrelated file that should be removed from the PR

Important Files Changed

Filename	Overview
docs/devnotes/posts/push-datasets-to-hugging-face-hub.md	New blog post documenting push_to_hub feature; single marker placed correctly after intro, template path verified as full path, content is accurate and well-structured
docs/devnotes/.authors.yml	Added two new blog authors (nmulepati, davanstrien) with correct names, descriptions, and GitHub avatar URLs
mkdocs.yml	Added nav entry for the new push-to-hub post in the correct position (most recent first)
plans/479/skip-when-conditional-generation.md	Empty file unrelated to this PR, pulled in from main via a merge commit — should be excluded from this changeset

Sequence Diagram

sequenceDiagram
    participant User
    participant DataDesigner
    participant Results
    participant HFHubClient
    participant HuggingFaceHub

    User->>DataDesigner: create(config_builder, num_records)
    DataDesigner-->>Results: results object (parquet + processor files)

    alt Happy path
        User->>Results: push_to_hub(repo_id, description, tags)
        Results->>HFHubClient: push_to_hub_from_folder(dataset_path, repo_id, ...)
    else Saved artifacts path
        User->>HFHubClient: push_to_hub_from_folder(dataset_path, repo_id, ...)
    end

    HFHubClient->>HFHubClient: Resolve token (explicit → HF_TOKEN → cached creds)
    HFHubClient->>HuggingFaceHub: Upload README.md (dataset card)
    HFHubClient->>HuggingFaceHub: Upload data/*.parquet
    HFHubClient->>HuggingFaceHub: Upload images/* (if present)
    HFHubClient->>HuggingFaceHub: Upload {processor}/* per processor
    HFHubClient->>HuggingFaceHub: Upload builder_config.json
    HFHubClient->>HuggingFaceHub: Upload metadata.json (paths rewritten)
    HuggingFaceHub-->>User: dataset URL

    Note over User,HuggingFaceHub: Round-trip: load builder_config.json URL → from_config() → recreate pipeline

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Prompt To Fix All With AI

This is a comment left during a code review.
Path: plans/479/skip-when-conditional-generation.md
Line: 1

Comment:
**Unrelated empty file included via merge**

This file is completely empty and unrelated to the push-to-hub docs PR. It appears to have been pulled in through one of the `Merge branch 'main' into ...` commits while syncing the branch. It belongs to a separate planning effort (`plans/479/`) and should not be part of this changeset.

Consider removing it before merging to keep the PR diff focused.

How can I resolve this? If you propose a fix, please make it concise.

_{Reviews (9): Last reviewed commit: "Merge branch 'main' into nmulepati/docs/..." | Re-trigger Greptile}

[dhruvnathawani]

Did you use AI for the images?
LGTM

[nabinchha]

Did you use AI for the images? LGTM

@dhruvnathawani, yes!