Update self-host instructions link in README

[TechGeorgii]

Self-host link is updated

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PR-Codex overview

This PR updates the README.md file to reflect a new URL for the self-host instructions related to the thirdweb engine.

Detailed summary

• Updated the link for Self-host instructions from https://portal.thirdweb.com/engine/self-host to https://portal.thirdweb.com/engine/v2/self-host.

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Summary by CodeRabbit

• Documentation
  • Updated the self-hosting instructions link to reflect the latest version path.

[coderabbitai]

Walkthrough

Updated the Self-host instructions documentation link in README.md from /engine/self-host to /engine/v2/self-host, reflecting a version change in the resource reference path.

Changes

Cohort / File(s)	Summary
Documentation link update README.md	Updated Self-host instructions link in Resources section from /engine/self-host to /engine/v2/self-host

Estimated code review effort

🎯 1 (Trivial) | ⏱️ ~2 minutes

• Single file change with straightforward link update
• No logic modifications or behavioral changes
• Documentation-only modification

Pre-merge checks and finishing touches

❌ Failed checks (2 warnings)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 0.00% which is insufficient. The required threshold is 80.00%.	You can run @coderabbitai generate docstrings to improve docstring coverage.
Description check	⚠️ Warning	The PR description lacks required sections from the template including Linear issue link, testing instructions, and output/evidence of changes.	Add the missing template sections: include the Linear issue reference, specify how the PR will be tested (e.g., verify the link works), and provide evidence like a screenshot showing the updated link.

✅ Passed checks (1 passed)

Check name	Status	Explanation
Title Check	✅ Passed	The pull request title "Update self-host instructions link in README" is clear and directly related to the main change in the changeset. The title accurately reflects that a link to self-host instructions is being updated in the README file, and it is specific enough for a teammate to understand the primary change when scanning the git history. The phrasing is concise and avoids vague language.

✨ Finishing touches

• 📝 Generate docstrings

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment

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[d4mr]

thanks!