refactor: rename project to MedAssist-ng and update configurations

- Updated environment variables in .env.example for production setup.
- Changed project references from MedAssist to MedAssist-ng in documentation and code.
- Adjusted Docker configurations for new image names and ports.
- Removed deprecated push-images.sh script and added docker-compose.dev.yml for development.
- Updated translation files to reflect new project name.
- Ensured all email notifications and headers reflect the new branding.

.env.example

@@ -1,21 +1,26 @@
-NODE_ENV=development
+# =============================================================================
+# MedAssist-ng Configuration
+# =============================================================================
+# Copy this file to .env and adjust values for your setup
+# =============================================================================
+
+NODE_ENV=production
 PORT=3000
-DATABASE_URL=file:./data/medassist.db
-CORS_ORIGINS=http://localhost:4173,http://localhost:5173
+DATABASE_URL=file:./data/medassist-ng.db
+CORS_ORIGINS=http://localhost:4174
 LOG_LEVEL=info
 
 # Timezone for scheduled reminders (e.g., Europe/Berlin, America/New_York)
 TZ=Europe/Berlin
 
-# Auth (use strong secrets; min 10 chars required)
-JWT_SECRET=change-me-now-with-stronger-secret
-REFRESH_SECRET=change-me-refresh-strong-secret
-COOKIE_SECRET=change-me-cookie-strong-secret
-CSRF_SECRET=change-me-csrf-strong-secret
+# Auth - CHANGE THESE! Generate with: openssl rand -hex 32
+JWT_SECRET=CHANGE_ME_generate_with_openssl_rand_hex_32
+REFRESH_SECRET=CHANGE_ME_generate_with_openssl_rand_hex_32
+COOKIE_SECRET=CHANGE_ME_generate_with_openssl_rand_hex_32
 ACCESS_TOKEN_TTL_MIN=15
 REFRESH_TOKEN_TTL_DAYS=14
 
-# SMTP (optional)
+# SMTP (optional - for email notifications)
 SMTP_HOST=
 SMTP_PORT=587
 SMTP_USER=
@@ -23,12 +28,8 @@ SMTP_PASS=
 SMTP_FROM=
 SMTP_SECURE=false
 
-# Planner limits
+# Rate limits
 EMAILS_PER_DAY=3
 
-# Container registry (used by scripts/push-images.sh)
-REGISTRY_HOST=git.danielvolz.org
-REGISTRY_TOKEN=
-REGISTRY_USER=  # optional; defaults to token if empty
-PROJECT_PATH=daniel/medassist
-# IMAGE_TAG can stay empty; override via -v flag
+# Default value only - frontend settings (stored in settings.json) take precedence
+REMINDER_DAYS_BEFORE=7