chore: recommend running corepack enable (aws-samples#69)

Author: trivikr

README.md

@@ -26,9 +26,8 @@ To set up this notes app, complete the following tasks:
 - Install **Node.js** by following these steps:
   1. Install [nvm](https://github.com/nvm-sh/nvm#installation-and-update).
   1. Use node v16.x.x by running `nvm use` or `nvm use 16` in a terminal window.
-  1. Verify that node is installed by running `node -v` in a terminal window and confirm that it shows the latest version of `v16`, such as `v16.16.0`).
-- Install [yarn](https://yarnpkg.com/en/docs/install).
-  - We recommend using **yarn** for its simplicity, speed and yarn workspaces.
+  1. Verify that node is installed by running `node -v` in a terminal window and confirm that it shows Node.js >=16.10, such as `v16.16.0`).
+  1. Enable corepack by running `corepack enable` in a terminal window.
 - Install dependencies by running `yarn`.
 - If you don't have an AWS account, [create one](https://aws.amazon.com/premiumsupport/knowledge-center/create-and-activate-aws-account/).
   - If you're an Amazon employee, see the internal wiki for creating an AWS account.

package.json

@@ -25,5 +25,6 @@
   },
   "lint-staged": {
     "*.{ts,js,md}": "prettier --write"
-  }
+  },
+  "packageManager": "[email protected]"
 }