ketcher/example doc (or code) is broken

[scottschafer]

Steps to Reproduce
The README.md in ketcher/example says: "You can run yarn install and then yarn start to test your package."

But this doesn't work, because there is no yarn start.

I tried using yarn start:standalone instead, but this fails with runtime errors.

Expected behavior
Example project should work using the provided steps.

Actual behavior
Example project does not work using the provided steps.

Screenshots
If applicable, add screenshots to help explain your problem.

Desktop (please complete the following information):

• OS: [e.g. iOS]
• Browser [e.g. chrome, safari]
• Version [e.g. 22]

Smartphone (please complete the following information):

• Device: [e.g. iPhone6]
• OS: [e.g. iOS8.1]
• Browser [e.g. stock browser, safari]
• Version [e.g. 22]

Ketcher version [e.g. v2.4.2-115-gcf0c1394].
To determine it, hover over the header of the Ketcher tab in a browser.

Additional context
Add any other context about the problem here.

[evgeniiFrolov1]

@scottschafer thx for your input