"Basic Graph App with create-react-app" instructions lead to error on windows 10

I'm following the instructions

to get started with graph app starter kit.

Here is the command line session with error at the end:

>yarn global add verdaccio
yarn global v1.15.2
warning package.json: No license field
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...

success Installed "verdaccio@3.11.6" with binaries:
      - verdaccio
Done in 1.74s.

>yarn global add npmrc
yarn global v1.15.2
warning package.json: No license field
[1/4] Resolving packages...
[2/4] Fetching packages...
[3/4] Linking dependencies...
[4/4] Building fresh packages...
success Installed "npmrc@1.1.1" with binaries:
      - npmrc
Done in 1.59s.

>npmrc -c local
npmrc file "local", already exists (C:\Users\FruitfulApproach\.npmrcs/local)

>npmrc local
Removing old .npmrc (default)
Activating .npmrc "local"

>npm set registry http://localhost:4873

>npmrc default
Removing old .npmrc (local)
Activating .npmrc "default"

>npm run build

> basic-create-react-app@0.1.0 build C:\Users\FruitfulApproach\Desktop\graph-app-starter\examples\basic-create-react-app-graphql
> react-scripts build && mv build dist

'react-scripts' is not recognized as an internal or external command,
operable program or batch file.
npm ERR! code ELIFECYCLE
npm ERR! errno 1
npm ERR! basic-create-react-app@0.1.0 build: `react-scripts build && mv build dist`
npm ERR! Exit status 1
npm ERR!
npm ERR! Failed at the basic-create-react-app@0.1.0 build script.
npm ERR! This is probably not a problem with npm. There is likely additional logging output above.
npm WARN Local package.json exists, but node_modules missing, did you mean to install?

npm ERR! A complete log of this run can be found in:
npm ERR!     C:\Users\FruitfulApproach\AppData\Roaming\npm-cache\_logs\2019-04-20T23_32_23_244Z-debug.log

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