message: docs(readme): add `yarn kill` command instructions
diff: @@ -24,20 +24,11 @@ To add a product, gather the following information:
  If you are not familiar with or do not want to use `git`, submit a [new issue](https://github.com/codyogden/killedbygoogle/issues/new?template=add-an-obituary.md) requesting the change. If you are already familiar with `git`, follow these steps:
  1. If you haven't already, start by [forking](https://help.github.com/en/articles/fork-a-repo) this repository.
  -2. [Create a new branch](https://help.github.com/en/desktop/contributing-to-projects/creating-a-branch-for-your-work) in your fork. Name it using the product you want to add
  -3. Switch to that branch (should happen automatically if you've just created it) and open the `graveyard.json` file
  -4. Use the information gathered above to add a JSON entry in the following format (note the alphabetical order of keys):
  -```
  - {
  - "dateClose": "YYYY-MM-DD",
  - "dateOpen": "YYYY-MM-DD",
  - "description": "[Product Name] was a single sentence overview of the product or service.",
  - "link": "https://any.link-to-a.source/will/work-and-wikipedia-is-cool",
  - "name": "[Product Name]",
  - "type": "app|service|hardware"
  - }
  -```
  -5. Finally, [create a Pull Request (PR)](https://help.github.com/en/articles/creating-a-pull-request) using the newly created branch (Important: DON'T use the `main` branch for the PR). Submit it with the necessary explanations.
  +1. [Create a new branch](https://help.github.com/en/desktop/contributing-to-projects/creating-a-branch-for-your-work) in your fork. Name it using the product you want to add
  +1. Switch to that branch (should happen automatically if you've just created it) and open the `graveyard.json` file
  +1. Run `yarn && yarn kill` to start the product addition CLI. This will prompt you for the information and validate you entry as you go. It will write the product information into the `graveyard.json` file for you.
  +1. After the CLI, run `yarn test` to ensure that the `graveyard.json` is formatted properly and all values are valid.
  +1. Commit your work in git and [create a Pull Request (PR)](https://help.github.com/en/articles/creating-a-pull-request) using the newly created branch.
  For code contributions outside of `graveyard.json`, check out the [Contributing Guide](.github/CONTRIBUTING.md).
  