Add AI assistant files to ignore lists

Prevent accidental commits of AI assistant configuration files:
- CLAUDE.md and .claude/ (Claude Code)
- .cursorrules and .cursor/ (Cursor)
- .aider* (Aider)
- .copilot/ and .github/copilot-* (GitHub Copilot)

Author: carlosmmatos

.gitignore

@@ -24,3 +24,13 @@ Policyfile.lock.json
 .idea/
 
 .kitchen.local.yml
+
+# AI Assistant Files #
+######################
+CLAUDE.md
+.claude/
+.cursorrules
+.cursor/
+.aider*
+.copilot/
+.github/copilot-*

chefignore

@@ -113,3 +113,13 @@ UPGRADING*
 ###########
 .vagrant
 Vagrantfile
+
+# AI Assistant Files #
+######################
+CLAUDE.md
+.claude/*
+.cursorrules
+.cursor/*
+.aider*
+.copilot/*
+.github/copilot-*