Remove email outbox collection and process job; refactor email templates with rich text support and slug generation

.env.example

@@ -0,0 +1,29 @@
+# PayloadCMS Configuration
+PAYLOAD_SECRET=your-secret-key-here
+
+# Database Configuration
+# Leave DATABASE_URI empty to use in-memory MongoDB (recommended for development)
+# DATABASE_URI=mongodb://localhost:27017/payload-mailing-dev
+
+# Force in-memory database (optional, enabled by default if DATABASE_URI is not set)
+USE_MEMORY_DB=true
+
+# Email Configuration (Development)
+EMAIL_HOST=localhost
+EMAIL_PORT=1025
+EMAIL_USER=test
+EMAIL_PASS=test
+EMAIL_FROM=noreply@test.com
+
+# Development Settings
+NODE_ENV=development
+PORT=3000
+
+# Database Options:
+# 1. In-memory MongoDB (default) - No installation required, data resets on restart
+# 2. Local MongoDB - Install MongoDB and set DATABASE_URI
+# 3. Remote MongoDB - Set DATABASE_URI to remote connection string
+
+# Optional: Use MailHog for email testing
+# MailHog runs on localhost:1025 for SMTP and localhost:8025 for web UI
+# Download from: https://github.com/mailhog/MailHog