Initial spin-off of bambu-run from my private project separation

.env.example

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+# Bambu Run Configuration
+# Copy this file to .env and fill in your values
+
+# Required: Your Bambu Lab printer's local IP address
+PRINTER_IP=192.168.1.xxx
+
+# Required: Your printer's access token (found in printer settings)
+ACCESS_TOKEN=your_access_token_here
+
+# Required: Your printer's serial number (found in Settings > Device Info)
+PRINTER_SERIAL=your_serial_number
+
+# Optional: Timezone (default: UTC)
+# TIMEZONE=Australia/Melbourne
+
+# Optional: Django settings
+# DEBUG=True
+# DJANGO_SECRET_KEY=change-me-to-a-random-string
+# ALLOWED_HOSTS=localhost,127.0.0.1