Mark repository as deprecated in favor of Raptor

[anujhydrabadi]

Summary

• Add deprecation notice to README directing users to the new raptor-releases repository
• Repository is no longer maintained and users should migrate to Raptor

Test plan

• Verify deprecation notice displays correctly at top of README

🤖 Generated with Claude Code

Summary by CodeRabbit

• Documentation
  • Added deprecation notice indicating the repository is no longer actively maintained; users are directed to the Raptor project as an alternative.

_{✏️ Tip: You can customize this high-level summary in your review settings.}

[coderabbitai]

Caution

Review failed

The pull request is closed.

Walkthrough

The README.md file has been updated with a deprecation notice informing users that the repository is no longer maintained and directing them to use Raptor as an alternative, along with a separator line for visual clarity.

Changes

Cohort / File(s)	Summary
Documentation README.md	Added deprecation notice at the top indicating the repository is no longer maintained and pointing users to Raptor. Added separator line for visual clarity.

---

📜 Recent review details

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro

📥 Commits

Reviewing files that changed from the base of the PR and between ca23efb and c95e5de.

📒 Files selected for processing (1)

• README.md

---

_{Comment @coderabbitai help to get the list of available commands and usage tips.}