Add domain management, reports, settings, and upload templates

- Implemented domain management page with a list of monitored domains and their DMARC, SPF, and DKIM statuses.
- Created reports page with filtering options for domain, report type, and date range, displaying DMARC reports.
- Developed settings page for IMAP configuration and DMARC policy management, including form validation and feedback.
- Added upload page for DMARC report files with drag-and-drop functionality and file type validation.
- Integrated Alpine.js for interactivity and dynamic data handling across all templates.

.env.example

@@ -0,0 +1,28 @@
+# DMARQ Environment Variables
+#
+# Copy this file to .env and fill in the values for your environment
+# Example: cp .env.example .env
+
+# Application Settings
+PROJECT_NAME="DMARQ"
+SECRET_KEY="CHANGE_THIS_TO_A_RANDOM_SECRET_IN_PRODUCTION"
+
+# Database
+DATABASE_URL="sqlite:///./dmarq.db"
+
+# IMAP Settings for DMARC Report Retrieval
+IMAP_SERVER="mail.example.com"  # Required for IMAP polling
+IMAP_PORT=993                   # Default for SSL
+IMAP_USERNAME="dmarc@example.com"
+IMAP_PASSWORD="your_imap_password"
+
+# CORS Origins (comma separated)
+BACKEND_CORS_ORIGINS="http://localhost:3000,http://localhost:5173"
+
+# Admin User (first-time setup)
+FIRST_SUPERUSER="admin@example.com"
+FIRST_SUPERUSER_PASSWORD="adminpassword"
+
+# Optional Cloudflare API Integration (for Milestone 8)
+# CLOUDFLARE_API_TOKEN="your_cloudflare_api_token"
+# CLOUDFLARE_ZONE_ID="your_cloudflare_zone_id"