Set up localization with feature flag control (#9649)

Refers #8128 

Changes Introduced:
- Added i18n configuration.
- Added a feature flag for localization.
- Enabled language switching based on the flag.

---------

Co-authored-by: Félix Malfait <felix@twenty.com>

packages/twenty-front/vite.config.ts

@@ -1,4 +1,5 @@
 /* eslint-disable no-console */
+import { lingui } from '@lingui/vite-plugin';
 import { isNonEmptyString } from '@sniptt/guards';
 import react from '@vitejs/plugin-react-swc';
 import wyw from '@wyw-in-js/vite';
@@ -93,11 +94,17 @@ export default defineConfig(({ command, mode }) => {
     },
 
     plugins: [
-      react({ jsxImportSource: '@emotion/react' }),
+      react({
+        jsxImportSource: '@emotion/react',
+        plugins: [['@lingui/swc-plugin', {}]],
+      }),
       tsconfigPaths({
         projects: ['tsconfig.json', '../twenty-ui/tsconfig.json'],
       }),
       svgr(),
+      lingui({
+        configPath: path.resolve(__dirname, './lingui.config.ts'),
+      }),
       checker(checkers),
       // TODO: fix this, we have to restrict the include to only the components that are using linaria
       // Otherwise the build will fail because wyw tries to include emotion styled components