Add page whitelist instructions to README for faster docs app dev builds

[carlosabadia]

No description provided.

[greptile-apps]

Greptile Summary

This PR adds a "Page Whitelist (Faster Dev Builds)" section to docs/app/README.md, documenting how contributors can limit compiled pages by editing reflex_docs/whitelist.py. The documented rules (forward-slash prefix, no trailing slash, empty list builds all, prefix matching) are all accurate against the actual whitelist.py implementation.

Confidence Score: 5/5

Safe to merge — documentation-only change with no code modifications.

All documented rules and behaviors were verified against the actual whitelist.py implementation and are accurate. No code is changed and no P1/P0 findings exist.

No files require special attention.

Vulnerabilities

No security concerns identified.

Important Files Changed

Filename	Overview
docs/app/README.md	Adds a "Page Whitelist (Faster Dev Builds)" section that accurately documents the whitelist.py feature, with correct rules and examples matching the actual implementation.

Flowchart

%%{init: {'theme': 'neutral'}}%%
flowchart TD
    A[Dev server starts] --> B{WHITELISTED_PAGES empty?}
    B -- Yes --> C[Build all pages]
    B -- No --> D{path == '/'}
    D -- Yes --> E[Always build root]
    D -- No --> F{Only entry is '/'}
    F -- Yes --> G[Skip page]
    F -- No --> H{path.startswith whitelisted_path?}
    H -- Yes --> I[Build page]
    H -- No --> G

Loading

_{Reviews (1): Last reviewed commit: "Add page whitelist instructions to READM..." | Re-trigger Greptile}

[codspeed-hq]

Merging this PR will not alter performance

✅ 9 untouched benchmarks

---

_{Comparing carlos/add-whitelist-to-readme (dd7b112) with main (08ee62a)}