Add @react-native/core-cli-utils to build script

Summary:
Changelog: [Internal]

Use our build script for packages and to generate the TypeScript types.

bypass-github-export-checks

Reviewed By: huntie

Differential Revision: D54428870

fbshipit-source-id: 2a1666d30ac472300979b2be078a906d390e919a

packages/core-cli-utils/package.json

@@ -10,7 +10,7 @@
     "directory": "packages/core-cli-utils"
   },
   "exports": {
-    ".": "./index.js",
+    ".": "./src/index.js",
     "./package.json": "./package.json"
   },
   "homepage": "https://github.com/facebook/react-native/tree/HEAD/packages/core-cli-utils#readme",

scripts/build/config.js

@@ -41,17 +41,22 @@ export type BuildConfig = $ReadOnly<{
  * Node.js packages only.
  */
 const buildConfig /*: BuildConfig */ = {
+  /* eslint sort-keys: "error" */
   packages: {
     'community-cli-plugin': {
       target: 'node',
     },
-    'dev-middleware': {
-      target: 'node',
+    'core-cli-utils': {
       emitTypeScriptDefs: true,
+      target: 'node',
+    },
+    'dev-middleware': {
+      emitTypeScriptDefs: true,
+      target: 'node',
     },
     'metro-config': {
-      target: 'node',
       emitTypeScriptDefs: true,
+      target: 'node',
     },
   },
 };