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.

eslint.config.js

@@ -17,9 +17,10 @@ export default [
       'src/scripts/*',
       'src/extensions/core/*',
       'src/types/vue-shim.d.ts',
-      // Generated files that don't need linting
       'src/types/comfyRegistryTypes.ts',
-      'src/types/generatedManagerTypes.ts'
+      'src/types/generatedManagerTypes.ts',
+      '**/vite.config.*.timestamp*',
+      '**/vitest.config.*.timestamp*'
     ]
   },
   {