Add server translation (#9847)

First proof of concept for server-side translation.

The goal was to translate one metadata item:

<img width="939" alt="Screenshot 2025-01-26 at 08 18 41"
src="https://github.com/user-attachments/assets/e42a3f7f-f5e3-4ee7-9be5-272a2adccb23"
/>

packages/twenty-server/lingui.config.js

@@ -0,0 +1,25 @@
+import { defineConfig } from '@lingui/cli';
+
+export default defineConfig({
+  sourceLocale: 'en',
+  locales: ['en', 'fr'],
+  extractorParserOptions: {
+    tsExperimentalDecorators: true,
+  },
+  catalogs: [
+    {
+      path: '<rootDir>/src/engine/core-modules/i18n/locales/{locale}',
+      include: ['src'],
+    },
+  ],
+  catalogsMergePath:
+    '<rootDir>/src/engine/core-modules/i18n/locales/generated/{locale}',
+  ...(process.env.TRANSLATION_IO_API_KEY_BACKEND
+    ? {
+        service: {
+          name: 'TranslationIO',
+          apiKey: process.env.TRANSLATION_IO_API_KEY_BACKEND,
+        },
+      }
+    : {}),
+});