Fix links to package (#3898)

packages/react-scripts/config/webpack.config.dev.js

@@ -35,7 +35,7 @@ const env = getClientEnvironment(publicUrl);
 // package.json
 const postCSSLoaderOptions = {
   // Necessary for external CSS imports to work
-  // https://github.com/facebookincubator/create-react-app/issues/2677
+  // https://github.com/facebook/create-react-app/issues/2677
   ident: 'postcss',
   plugins: () => [
     require('postcss-flexbugs-fixes'),
@@ -50,7 +50,7 @@ const postCSSLoaderOptions = {
 // The production configuration is different and lives in a separate file.
 module.exports = {
   // You may want 'eval' instead if you prefer to see the compiled output in DevTools.
-  // See the discussion in https://github.com/facebookincubator/create-react-app/issues/343.
+  // See the discussion in https://github.com/facebook/create-react-app/issues/343.
   devtool: 'cheap-module-source-map',
   // These are the "entry points" to our application.
   // This means they will be the "root" imports that are included in JS bundle.
@@ -94,7 +94,7 @@ module.exports = {
     // This allows you to set a fallback for where Webpack should look for modules.
     // We placed these paths second because we want `node_modules` to "win"
     // if there are any conflicts. This matches Node resolution mechanism.
-    // https://github.com/facebookincubator/create-react-app/issues/253
+    // https://github.com/facebook/create-react-app/issues/253
     modules: ['node_modules'].concat(
       // It is guaranteed to exist because we tweak it in `env.js`
       process.env.NODE_PATH.split(path.delimiter).filter(Boolean)
@@ -102,7 +102,7 @@ module.exports = {
     // These are the reasonable defaults supported by the Node ecosystem.
     // We also include JSX as a common component filename extension to support
     // some tools, although we do not recommend using it, see:
-    // https://github.com/facebookincubator/create-react-app/issues/290
+    // https://github.com/facebook/create-react-app/issues/290
     // `web` extension prefixes have been added for better support
     // for React Native Web.
     extensions: ['.web.js', '.mjs', '.js', '.json', '.web.jsx', '.jsx'],
@@ -331,12 +331,12 @@ module.exports = {
     new webpack.HotModuleReplacementPlugin(),
     // Watcher doesn't work well if you mistype casing in a path so we use
     // a plugin that prints an error when you attempt to do this.
-    // See https://github.com/facebookincubator/create-react-app/issues/240
+    // See https://github.com/facebook/create-react-app/issues/240
     new CaseSensitivePathsPlugin(),
     // If you require a missing module and then `npm install` it, you still have
     // to restart the development server for Webpack to discover it. This plugin
     // makes the discovery automatic so you don't have to restart.
-    // See https://github.com/facebookincubator/create-react-app/issues/186
+    // See https://github.com/facebook/create-react-app/issues/186
     new WatchMissingNodeModulesPlugin(paths.appNodeModules),
     // Moment.js is an extremely popular library that bundles large locale files
     // by default due to how Webpack interprets its code. This is a practical