feat: scaffold Strapi 5 CMS with PostgreSQL and i18n config

Add Strapi 5 headless CMS application at apps/cms/ with:
- PostgreSQL database configuration (afterlife database)
- i18n plugin enabled with Spanish (default) and English locales
- TypeScript configuration
- Standard Strapi middleware stack
- Environment variable template (.env.example)
- Admin panel locale support for es/en

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

apps/cms/src/admin/app.ts

@@ -0,0 +1,6 @@
+export default {
+  config: {
+    locales: ["es", "en"],
+  },
+  bootstrap() {},
+};

apps/cms/src/index.ts

@@ -0,0 +1,20 @@
+// import type { Core } from '@strapi/strapi';
+
+export default {
+  /**
+   * An asynchronous register function that runs before
+   * your application is initialized.
+   *
+   * This gives you an opportunity to extend code.
+   */
+  register(/* { strapi }: { strapi: Core.Strapi } */) {},
+
+  /**
+   * An asynchronous bootstrap function that runs before
+   * your application gets started.
+   *
+   * This gives you an opportunity to set up your data model,
+   * run jobs, or perform some special logic.
+   */
+  bootstrap(/* { strapi }: { strapi: Core.Strapi } */) {},
+};