feat: React Native SDK update for version 0.27.0

[ChiragAgg5k]

This PR contains updates to the React Native SDK for version 0.27.0.

Summary by CodeRabbit

• New Features
  • Added getHeaders() method to the Client class to retrieve current request headers.

[coderabbitai]

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Walkthrough

This pull request represents a minor version release (0.26.0 → 0.27.0) that includes the addition of a new public getHeaders() method on the Client class for exposing current request headers. Supporting changes include updating the SDK version header value, bumping version metadata in package.json, adding a .gitignore file to exclude build artifacts and dependencies, updating the CI workflow to use npm ci for deterministic dependency installation, and documenting the changes in CHANGELOG.md.

Estimated code review effort

🎯 2 (Simple) | ⏱️ ~8 minutes

🚥 Pre-merge checks | ✅ 3

✅ Passed checks (3 passed)

Check name	Status	Explanation
Description Check	✅ Passed	Check skipped - CodeRabbit’s high-level summary is enabled.
Title check	✅ Passed	The title accurately summarizes the main change: a version bump to 0.27.0 with associated updates (new getHeaders() method, workflow changes, and dependency lockfile tracking).
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.

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[greptile-apps]

Greptile Summary

This PR bumps the React Native SDK to version 0.27.0, introducing a getHeaders() method on the Client class and improving the repository's dependency management story by committing package-lock.json and adding a .gitignore.

Key changes:

• src/client.ts — Adds getHeaders(): Headers which returns a shallow spread copy ({ ...this.headers }) of all current request headers. Because all header values are strings (primitives), the shallow copy is safe and callers cannot mutate internal state. The JSDoc correctly flags that the result may include sensitive auth tokens (JWT, session, dev key, impersonation headers).
• package-lock.json — Committed for the first time (lockfileVersion 3), enabling deterministic installs for contributors and CI alike.
• .github/workflows/publish.yml — npm install → npm ci, the correct companion change now that the lockfile is tracked; this ensures the published package is always built from the exact pinned dependency tree.
• .gitignore — New file; correctly excludes node_modules/, compiled dist/ artifacts (while preserving the dist/cjs/package.json and dist/esm/package.json stubs needed by some bundlers), types/, and .DS_Store.
• CHANGELOG.md / package.json — Version and changelog are in sync at 0.27.0.

Confidence Score: 5/5

Safe to merge — all changes are additive, well-scoped, and mutually consistent.

No P0 or P1 issues found. The only non-trivial new surface is getHeaders(), which is correctly implemented (shallow copy, primitive values only) and appropriately documented. The CI improvement (npm ci) is a strictly better practice now that the lockfile is committed, and the .gitignore follows a standard pattern for NPM packages. Version numbers are consistent across package.json, client.ts, and CHANGELOG.md.

No files require special attention.

Important Files Changed

Filename	Overview
src/client.ts	Version header bumped to 0.27.0; new getHeaders() method added that returns a shallow copy of all current request headers, including any set auth tokens
.github/workflows/publish.yml	npm install replaced with npm ci — a good improvement for deterministic builds, now that package-lock.json is committed
.gitignore	New .gitignore ignores node_modules/, compiled dist/ artifacts (keeping only dist/cjs/package.json and dist/esm/package.json), types/, and .DS_Store
package.json	Version bumped from 0.26.0 to 0.27.0, consistent with header and lockfile
package-lock.json	New lockfile (lockfileVersion 3) committed for the first time; enables npm ci and reproducible builds in CI
CHANGELOG.md	0.27.0 section added, accurately documenting the new getHeaders() method and lockfile addition

_{Reviews (1): Last reviewed commit: "Merge main into dev, resolve package-loc..." | Re-trigger Greptile}