feat: localisation and multi-lang support (#95)

* feat: setup localisation with lingui

* Fix hydration and locale issues

* Add missing translations and tweak selector styling

* Extend language support

* Update lang support

* Extend lang support

* Fix build and add dyanmic imports

apps/web/lingui.config.ts

@@ -0,0 +1,15 @@
+import type { LinguiConfig } from "@lingui/conf";
+
+const config: LinguiConfig = {
+  locales: ["en", "fr", "de", "es", "it", "nl"],
+  sourceLocale: "en",
+  catalogs: [
+    {
+      path: "src/locales/{locale}/messages",
+      include: ["src"],
+      exclude: ["**/node_modules/**"],
+    },
+  ],
+};
+
+export default config;