Add Raccoon

[thousandflowers]

Adds Raccoon to Applications.

Raccoon is a macOS toolkit written directly in Bash: security audits mapped to CIS benchmarks, disk/network/system reports rendered to text, JSON, CSV or Markdown from one data model, and fleet mode that streams the same audit to a room of Macs over SSH stdin — nothing gets installed on the remote machines. --fix backs up every destructive change before applying it.

https://github.com/thousandflowers/Raccoon

Against the recommendations:

• Older than 90 days: first commit 2026-04-27 (113 days)
• More than 50 stars: 130
• Free and open source: MIT
• Easy to install: brew install thousandflowers/tap/raccoon or curl | bash
• Well documented: README, man pages, shell completions, CONTRIBUTING and SECURITY
• Uses Bash directly: #!/bin/bash throughout, no runtime beyond macOS and git

One suggestion in this PR, no duplicate (searched the README first).