nx: Initialize nx (#5235)

* nx: Initialize nx
https://nx.dev/getting-started/adding-to-existing

* fix: Migrator ordering issue for vitest scripts

* nit: trailing newline

* deps: Updated select dependencies to fix Storybook with pnpm

* fix: Add explicit knip entry point for current workspace
...since it's not inferred from the script now.

knip.config.ts

@@ -74,7 +74,7 @@ const config: KnipConfig = {
   // Workspace configuration for monorepo-like structure
   workspaces: {
     '.': {
-      entry: ['src/main.ts']
+      entry: ['src/main.ts', 'playwright.i18n.config.ts']
     }
   }
 }