Initial commit: add .gitignore and README

QUICK_REFERENCE.md

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+# Quick Reference - Scripts Modularization
+
+## Current Status
+- ✅ Structure: Complete
+- ✅ Libraries: Complete (7 files)
+- ⏳ Scripts: 30 to migrate
+- ⏳ Updates: 30 to update
+
+## Quick Commands
+
+### Move All Scripts
+```bash
+cd /home/intlc/projects/scripts
+mv migrate-readme.sh migrate-terraform.sh migrate-to-*.sh migration/
+mv collect-*.sh metrics/collect/
+mv track-*.sh update-metrics.sh generate-metrics-report.sh metrics/
+mv *dbis*.sh dbis/
+mv setup*.sh infrastructure/
+mv analyze-costs.sh optimize-builds.sh deps-*.sh build-all.sh test-all.sh verify-all.sh cleanup.sh utils/
+```
+
+### Add Library to Script
+Add after shebang:
+```bash
+SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
+source "$SCRIPT_DIR/../lib/init.sh"
+```
+
+### Make Executable
+```bash
+find scripts -name "*.sh" -exec chmod +x {} \;
+```
+
+## File Locations
+
+### Libraries
+- `lib/common/colors.sh`
+- `lib/common/logging.sh`
+- `lib/common/utils.sh`
+- `lib/common/validation.sh`
+- `lib/common/error-handling.sh`
+- `lib/config/env.sh`
+- `lib/init.sh`
+
+### Script Categories
+- Migration: `migration/`
+- Metrics: `metrics/` and `metrics/collect/`
+- DBIS: `dbis/`
+- Infrastructure: `infrastructure/`
+- Utilities: `utils/`
+
+## Documentation
+- Full Plan: `NEXT_STEPS_DETAILED.md`
+- Checklist: `IMPLEMENTATION_CHECKLIST.md`
+- Evaluation: `SCRIPTS_EVALUATION_REPORT.md`