feat: The Other Dude v9.0.1 — full-featured email system

ci: add GitHub Pages deployment workflow for docs site

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.env.example

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+# .env.example -- Copy to .env for development, .env.prod for production
+# DO NOT commit .env or .env.prod to git
+
+# Environment (dev | staging | production)
+ENVIRONMENT=dev
+LOG_LEVEL=debug
+DEBUG=true
+
+# Database
+POSTGRES_DB=mikrotik
+POSTGRES_USER=postgres
+POSTGRES_PASSWORD=CHANGE_ME_IN_PRODUCTION
+DATABASE_URL=postgresql+asyncpg://postgres:CHANGE_ME_IN_PRODUCTION@postgres:5432/mikrotik
+SYNC_DATABASE_URL=postgresql+psycopg2://postgres:CHANGE_ME_IN_PRODUCTION@postgres:5432/mikrotik
+APP_USER_DATABASE_URL=postgresql+asyncpg://app_user:CHANGE_ME_IN_PRODUCTION@postgres:5432/mikrotik
+
+# Poller database (different role, no RLS)
+POLLER_DATABASE_URL=postgres://poller_user:poller_password@postgres:5432/mikrotik
+
+# Redis
+REDIS_URL=redis://redis:6379/0
+
+# NATS
+NATS_URL=nats://nats:4222
+
+# Security
+JWT_SECRET_KEY=CHANGE_ME_IN_PRODUCTION
+CREDENTIAL_ENCRYPTION_KEY=CHANGE_ME_IN_PRODUCTION
+
+# First admin bootstrap (dev only)
+FIRST_ADMIN_EMAIL=admin@mikrotik-portal.dev
+FIRST_ADMIN_PASSWORD=changeme-in-production
+
+# CORS (comma-separated origins)
+# Dev: localhost ports for Vite/React dev server
+# Prod: set to your actual domain, e.g., https://mikrotik.yourdomain.com
+CORS_ORIGINS=http://localhost:3000,http://localhost:5173,http://localhost:8080
+
+# Git store path
+GIT_STORE_PATH=/data/git-store
+
+# Firmware
+FIRMWARE_CACHE_DIR=/data/firmware-cache
+
+# SMTP (system emails like password reset)
+# For dev: run `docker compose --profile mail-testing up -d` for Mailpit UI at http://localhost:8025
+SMTP_HOST=mailpit
+SMTP_PORT=1025
+SMTP_USER=
+SMTP_PASSWORD=
+SMTP_USE_TLS=false
+SMTP_FROM_ADDRESS=noreply@example.com