Update landing cards

[evanorti]

• add get started card to landing page
• change Cosmos Stack Developer Documentation -> Cosmos Developer Documentation

[mintlify]

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Project	Status	Preview	Updated (UTC)
cosmos-docs	🟢 Ready	View Preview	Apr 13, 2026, 4:07 PM

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[greptile-apps]

Greptile Summary

This PR updates the landing page title to "Cosmos Developer Documentation", adds a new "Start Building" card with quick-navigation links, reorders the product cards (removing Skip.Go), and refactors DocCard to accept a flexible links array prop. It also converts standalone links in sdk/latest/learn/start-here.mdx to bulleted list items for consistency.

• sdk/next/learn/start-here.mdx was not updated to match the bullet-list changes in sdk/latest/learn/start-here.mdx, which is required by the project's sync rules.

Confidence Score: 4/5

Safe to merge after syncing the bullet-list changes to sdk/next/learn/start-here.mdx.

One P1 finding: the sdk/next/ counterpart of the edited latest/ file was not updated, violating the project's explicit sync requirement. All other changes are correct and well-structured.

sdk/latest/learn/start-here.mdx — the sync to sdk/next/learn/start-here.mdx is missing.

Important Files Changed

Filename	Overview
index.mdx	Title updated to "Cosmos Developer Documentation"; new "Start Building" card added; Skip.Go and Enterprise/EVM cards reordered; all link paths look correct.
sdk/latest/learn/start-here.mdx	Bare links in "Run a node", "Browse modules", and "Go deeper" sections converted to bulleted list items; corresponding sdk/next/learn/start-here.mdx was not synced.
snippets/doc-card.jsx	Refactored to accept a links array prop; arrow SVG extracted as a shared const; backward-compatible with existing docsLink/githubLink usage; external link detection correct.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Landing Page index.mdx] --> B[DocCardGrid]
    B --> C["Start Building - new links array card"]
    B --> D["Cosmos SDK - docsLink + githubLink"]
    B --> E["Cosmos Enterprise - docsLink + isHighlighted"]
    B --> F["Cosmos EVM - docsLink + githubLink"]
    B --> G["IBC Protocol - docsLink + githubLink"]
    B --> H["CometBFT - docsLink + githubLink"]
    C --> C1["Learn"]
    C --> C2["Build a chain"]
    C --> C3["Choose a path"]
    style C fill:#d4edda,stroke:#28a745

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_{Reviews (1): Last reviewed commit: "Update index.mdx" | Re-trigger Greptile}