Add comprehensive documentation and testing tools

- Update README with complete setup guide and all blueprint URLs
- Add PACKAGE_SETUP_GUIDE with step-by-step setup instructions
- Add ROOM_CONFIGURATION_GUIDE with bedroom, living room, and bathroom examples
- Add HARDWARE_TESTING_CHECKLIST for validating with real Inovelli switches
- Add CHANGELOG documenting v1.0.0 release
- Add validation script for automated YAML testing
- Add test configuration example for testing without hardware

scripts/validate_yaml.sh

@@ -0,0 +1,36 @@
+#!/bin/bash
+# scripts/validate_yaml.sh
+#
+# Validates YAML syntax for all Adaptive Lighting system files
+
+set -e
+
+echo "Validating Adaptive Lighting Mode System YAML files..."
+echo "========================================================"
+
+# Check if yamllint is installed
+if ! command -v yamllint &> /dev/null; then
+    echo "ERROR: yamllint not found."
+    echo "Install with: pip install yamllint"
+    echo "Or run with: nix run nixpkgs#yamllint -- <files>"
+    exit 1
+fi
+
+# Validate packages
+echo ""
+echo "Validating packages..."
+for file in packages/*.yaml; do
+    echo "  - $file"
+    yamllint -d '{extends: default, rules: {line-length: {max: 120}}}' "$file"
+done
+
+# Validate blueprints
+echo ""
+echo "Validating blueprints..."
+for file in blueprints/automation/*.yaml; do
+    echo "  - $file"
+    yamllint -d '{extends: default, rules: {line-length: {max: 120}}}' "$file"
+done
+
+echo ""
+echo "✓ All YAML files are valid!"