chore: add logs folder to gitignore

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

.gitignore

@@ -13,3 +13,10 @@ Thumbs.db
 # Test artifacts
 backend/uploads/
 dump.rdb
+.lsp_mcp.port
+.claude/
+!.claude/skills/
+!.claude/commands/
+
+# Logs
+logs/