adding react-redux starter code

minimal-app/src/app.test.js

minimal-app/src/app/store.js

minimal-app/src/features/counter/counter.js

minimal-app/src/features/counter/counter.module.css

minimal-app/src/features/counter/counter.test.js

minimal-app/src/features/counter/counterSlice.js

minimal-app/src/features/counter/counterSlice.test.js

minimal-app/src/index.css

minimal-app/src/index.js

minimal-app/src/setupTests.js

minimal-app/src/testing/mockRedux.js

package-lock.json

package.json

react-redux-starter-code.code-workspace

stylelint-config/.gitattributes

stylelint-config/.gitignore

stylelint-config/index.js

stylelint-config/package-lock.json

stylelint-config/package.json