docs(@angular-devkit/build-ng-packagr): Add deprecation message

Keen Yee Liau · Keen Yee Liau · commit 1f3436a1d2d2 · 2020-10-08T13:13:20.000-07:00
Add deprecation message so that it shows up on https://www.npmjs.com/package/@angular-devkit/build-ng-packagr
diff --git a/packages/angular_devkit/build_ng_packagr/README.md b/packages/angular_devkit/build_ng_packagr/README.md
@@ -1,3 +1,3 @@
 # Angular Build Architect for ng-packagr
 
-WIP
+This package has been deprecated. Please use the `ng-packagr` builder from `@angular-devkit/build-angular` instead.

Original file line number	Diff line number	Diff line change
`@@ -1,3 +1,3 @@`
`1`	`1`	`# Angular Build Architect for ng-packagr`
`2`	`2`
`3`		`-WIP`
	`3`	+This package has been deprecated. Please use the `ng-packagr` builder from `@angular-devkit/build-angular` instead.