docs: Add Homebrew installation instructions to COMPILATION.MD

[x15sr71]

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Summary

Adds Homebrew installation instructions to COMPILATION.MD following the restoration of CCExtractor to homebrew-core.

Changes

• Added Installation section at the top with Homebrew instructions
• Included link to brew.sh for users without Homebrew

Context

CCExtractor has been restored to Homebrew and is now available via brew install ccextractor on both macOS and Linux. The formula was previously removed but has been reintroduced to homebrew-core with the necessary upstream changes that make Homebrew packaging viable again.

• ccextractor 0.96.3 (new formula) Homebrew/homebrew-core#260293 for details.