docs(sandbox-blaxel): add README with usage and configuration reference

[nuthalapativarun]

PR Checklist

• Commit message follows guidelines (conventional commits: <type>(<scope>): <description>)

Bugs / Features

• Related issue(s) linked
• Tests for the changes have been added
• Docs have been added / updated
• Changesets have been added (pnpm changeset)

What is the current behavior?

@voltagent/sandbox-blaxel has no README, so users have no documentation for wiring BlaxelSandbox into a VoltAgent Workspace.

What is the new behavior?

Adds a README covering installation, basic usage with Workspace, the BlaxelSandboxOptions/BlaxelSandboxConfig reference, and the Blaxel SDK's auth singleton caveat.

Notes for reviewers

Mirrors the style/structure of the recently added @voltagent/server-core README (#1331).

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Summary by cubic

Adds a README for @voltagent/sandbox-blaxel with install steps, basic Workspace integration, and a configuration reference. It documents BlaxelSandboxOptions/BlaxelSandboxConfig and notes the Blaxel SDK auth singleton caveat.

^{Written for commit 51d4abf. Summary will update on new commits.}

Summary by CodeRabbit

• Documentation
  • Added comprehensive README documentation for the Blaxel sandbox provider package, including installation instructions, TypeScript integration examples, detailed configuration options with defaults (timeout, max output, poll interval), and authentication behavior notes.

[changeset-bot]

🦋 Changeset detected

Latest commit: 51d4abf

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@voltagent/sandbox-blaxel	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: defaults

Review profile: CHILL

Plan: Pro

Run ID: 236459c1-0a5e-4ac9-9e24-64349f1b99ee

📥 Commits

Reviewing files that changed from the base of the PR and between 0c1a1a4 and 51d4abf.

📒 Files selected for processing (2)

• .changeset/sandbox-blaxel-readme.md
• packages/sandbox-blaxel/README.md

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📝 Walkthrough

Walkthrough

A new README.md is added for the @voltagent/sandbox-blaxel package, covering installation, a TypeScript usage example wiring BlaxelSandbox into a Workspace, configuration option tables, an authentication note, and the MIT license. A matching patch changeset entry is also added.

Changes

sandbox-blaxel documentation

Layer / File(s)	Summary
Package README and changeset packages/sandbox-blaxel/README.md, .changeset/sandbox-blaxel-readme.md	Adds the full README for @voltagent/sandbox-blaxel documenting installation, BlaxelSandbox/Workspace integration, BlaxelSandboxOptions/BlaxelSandboxConfig option tables with defaults, auth credential behavior, and MIT license. A patch changeset entry records the doc addition.

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~3 minutes

Possibly related PRs

• VoltAgent/voltagent#1278: Directly targets the same @voltagent/sandbox-blaxel package release artifacts, updating the package version and changelog in the same packaging/docs workflow this PR contributes to.

Poem

🐇 Hippity-hop, the docs are here at last,
A README so clear, written oh so fast!
BlaxelSandbox wired, Workspace set to go,
Options and auth, all neatly in a row.
The bunny stamps "patch" with a satisfied grin~ ✨

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title accurately summarizes the main change: adding a README with usage and configuration documentation for the sandbox-blaxel package.
Description check	✅ Passed	The description comprehensively covers all template sections, including commit guidelines confirmation, documentation updates, changeset additions, current behavior, new behavior, and relevant notes for reviewers.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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[cubic-dev-ai]

No issues found across 2 files

_{Re-trigger cubic}