Add .gitignore for logs, IIS folders, editor files

Ignores:
- logs/ directory
- aspnet_client/ (IIS generated, not needed for Classic ASP)
- test result CSV files
- editor temp files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

.gitignore

@@ -0,0 +1,19 @@
+# Logs
+logs/
+*.log
+
+# IIS generated folders
+aspnet_client/
+
+# Test results
+tests/test_results_*.csv
+
+# Editor files
+*.swp
+*.swo
+*~
+.vscode/
+
+# OS files
+.DS_Store
+Thumbs.db