Make websitebox command smarter: auto-add -d and -f flags

- 'websitebox up' now automatically runs 'docker compose up -d'
- 'websitebox logs' now automatically runs 'docker compose logs -f'
- All other commands pass through unchanged
- Added 'source ~/.bashrc' instruction at end of installer so the
  command works immediately without logout/login
- Updated tips and setup summary to show simplified commands

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

setup.sh

@@ -289,7 +289,7 @@ printf "    ${GREEN}✓ Success looks like:${RESET}  ${BOLD}${SERVER_IP}${RESET}
 printf "    ${RED}✗ Not ready yet:${RESET}     ${DIM}(blank output or a different IP — wait a few minutes and try again)${RESET}\n\n"
 printf " ${BLUE}3.${RESET} ${BOLD}Launch your website${RESET}\n"
 printf "    Once DNS is working, copy this command into the server terminal:\n\n"
-printf "      ${CYAN}websitebox up -d${RESET}\n\n"
+printf "      ${CYAN}websitebox up${RESET}\n\n"
 printf " ${BLUE}4.${RESET} ${BOLD}Visit your site${RESET}\n"
 printf "    Your website:  ${CYAN}https://${DOMAIN}${RESET}\n"
 printf "    Admin login:   ${CYAN}https://${DOMAIN}/wp-admin${RESET}\n"