feat: add npm run deploy script for o2switch deployment

Consolidates the manual deploy steps (env copy, install, prisma
generate/migrate deploy, build, pm2 startOrRestart+save) documented
in the README into a single scripts/deploy.sh run over SSH.

Co-Authored-By: Claude Sonnet 5 <noreply@anthropic.com>

scripts/deploy.sh

@@ -0,0 +1,26 @@
+#!/usr/bin/env bash
+set -euo pipefail
+
+cd "$(dirname "$0")/.."
+
+echo "==> Copie de .env.prod vers .env"
+cp .env.prod .env
+
+echo "==> Installation des dependances"
+npm install
+
+echo "==> Generation du client Prisma"
+npm run db:generate
+
+echo "==> Application des migrations Prisma (production)"
+npm run db:migrate:deploy
+
+echo "==> Build de production"
+npm run build
+
+echo "==> Demarrage/redemarrage du worker sous pm2"
+pm2 startOrRestart ecosystem.config.cjs
+pm2 save
+
+echo "==> Deploiement termine."
+echo "Pensez a redemarrer l'app Next.js via cPanel > Setup Node.js App si Passenger ne recharge pas automatiquement le nouveau build."