mention config file

docs/GettingStarted.md

@@ -91,6 +91,8 @@ yarn add --dev babel-jest babel-core regenerator-runtime
 > yarn add --dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
 >
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
 > You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_

website/versioned_docs/version-22.0/GettingStarted.md

@@ -84,6 +84,8 @@ npm install --save-dev babel-jest babel-core regenerator-runtime
 > npm install --save-dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
 >
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
 > You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_

website/versioned_docs/version-22.1/GettingStarted.md

@@ -84,6 +84,8 @@ npm install --save-dev babel-jest babel-core regenerator-runtime
 > npm install --save-dev  babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
 >
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
 > You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_

website/versioned_docs/version-22.2/GettingStarted.md

@@ -84,6 +84,8 @@ npm install --save-dev babel-jest babel-core regenerator-runtime
 > npm install --save-dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
 >
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
 > You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_

website/versioned_docs/version-22.3/GettingStarted.md

@@ -84,6 +84,8 @@ npm install --save-dev babel-jest babel-core regenerator-runtime
 > npm install --save-dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
 >
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
 > You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_

website/versioned_docs/version-22.4/GettingStarted.md

@@ -84,6 +84,8 @@ yarn add --dev babel-jest babel-core regenerator-runtime
 > yarn add --dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
 >
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
 > You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_

website/versioned_docs/version-23.2/GettingStarted.md

@@ -92,6 +92,8 @@ yarn add --dev babel-jest babel-core regenerator-runtime
 > yarn add --dev babel-jest babel-core@^7.0.0-bridge.0 @babel/core regenerator-runtime
 > ```
 >
+> You will need to use babel.config.js in order to transpile `node_modules`. See https://babeljs.io/docs/en/next/config-files for more information.
+>
 > You can also see the example in the Jest repository: https://github.com/facebook/jest/tree/master/examples/babel-7
 
 _Note: Explicitly installing `regenerator-runtime` is not needed if you use `npm` 3 or 4 or Yarn_