chore: .gitignore에 팀 워크플로우 관리 경로 추가 (v1.6.0)

.gitignore

@@ -43,3 +43,14 @@ secrets/
 # === Claude Code (개인 설정) ===
 .claude/settings.local.json
 .claude/CLAUDE.local.md
+
+# === Team workflow (managed by /sync-team-workflow) ===
+.claude/rules/
+.claude/agents/
+.claude/skills/push/
+.claude/skills/mr/
+.claude/skills/create-mr/
+.claude/skills/release/
+.claude/skills/version/
+.claude/skills/fix-issue/
+.claude/scripts/