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-front/lingui.config.ts

@@ -25,8 +25,12 @@ export default defineConfig({
   ],
   catalogsMergePath: '<rootDir>/src/locales/generated/{locale}',
   compileNamespace: 'ts',
-  service: {
-    name: 'TranslationIO',
-    apiKey: process.env.TRANSLATION_IO_API_KEY ?? '',
-  },
+  ...(process.env.TRANSLATION_IO_API_KEY
+    ? {
+        service: {
+          name: 'TranslationIO',
+          apiKey: process.env.TRANSLATION_IO_API_KEY,
+        },
+      }
+    : {}),
 });