feat: standardize package configuration and workflows

.env.example

@@ -0,0 +1,25 @@
+# AuditKit Environment Configuration
+# Copy this file to .env and update with your actual values
+
+# Application
+NODE_ENV=development
+LOG_LEVEL=debug
+
+# Database (for testing)
+MONGODB_URI=mongodb://localhost:27017/auditkit-dev
+POSTGRES_URI=postgresql://user:password@localhost:5432/auditkit-dev
+
+# Testing
+TEST_DATABASE_URI=mongodb://localhost:27017/auditkit-test
+
+# Security
+JWT_SECRET=your-super-secret-jwt-key-change-in-production
+ENCRYPTION_KEY=your-encryption-key-change-in-production
+
+# Features
+ENABLE_AUDIT_LOGGING=true
+AUDIT_RETENTION_DAYS=90
+
+# Performance
+CACHE_TTL_SECONDS=300
+MAX_AUDIT_BATCH_SIZE=1000