live-demo: add example environment configuration and update .gitignore for local setup

Author: yaroslav8765

live-demo/app/.env.example

@@ -0,0 +1,13 @@
+# Local env of the live demo: `pnpm dev` copies this file to the gitignored .env when it does not exist yet.
+# Production does not use it, it gets its env from the vault (see ../deploy/compose.yml).
+ADMINFORTH_SECRET=local-dev-secret
+NODE_ENV=development
+DATABASE_FILE_URL=file:.db.sqlite
+# password of the local superadmin admin1@adminfoth.dev
+ADMIN_PASSWORD=admin
+
+# Required: the AI plugins refuse to start without it. Take it from the vault.
+OPENAI_API_KEY=
+# Optional: only image upload to the demo-static.adminforth.dev bucket needs them.
+AWS_ACCESS_KEY_ID=
+AWS_SECRET_ACCESS_KEY=

live-demo/app/.gitignore

@@ -1,2 +1,3 @@
 db
-.env
+.env
+*.sqlite*

live-demo/app/package.json

@@ -7,6 +7,8 @@
     "node": "^22.12.0 || ^24.0.0 || ^26.0.0"
   },
   "scripts": {
+    "dev": "pnpm setup-live-demo && pnpm start",
+    "setup-live-demo": "[ -f .env ] || (cp .env.example .env && echo 'Created .env from .env.example, put OPENAI_API_KEY into it and run again' && exit 1) && pnpm install && pnpm migrate",
     "start": "tsx --env-file=.env --watch index.ts",
     "test": "echo \"Error: no test specified\" && exit 1",
     "bundleNow": "tsx bundleNow.ts",