show hint to generate example, if needed in CLI (#256)

Author: Chris Brody

lib/cli-command.js

@@ -4,19 +4,25 @@ const normalizedOptions = require('./normalized-options');
 
 const createLibraryModule = require('./lib');
 
-const postCreateInstructions = ({ moduleName, exampleName }) => {
-  return `
+const postCreateInstructions = ({
+  moduleName,
+  generateExample,
+  exampleName
+}) => `
 ====================================================
 YOU'RE ALL SET!
-
+` + (generateExample
+    ? `
 To build and run iOS example project, do:
 ----
 cd ${moduleName}/${exampleName}
 yarn
 react-native run-ios
 ----
-`;
-};
+`
+    : `
+${emoji.get('bulb')} next time consider using \`--generate-example\` to add a generated example!
+`);
 
 module.exports = {
   name: 'create-library',

tests/with-mocks/cli/command/func/with-logging/with-bogus-platforms/bogus-name/__snapshots__/cli-command-with-bogus-platforms-name.test.js.snap

@@ -154,12 +154,7 @@ yarn-error.log
 ====================================================
 YOU'RE ALL SET!
 
-To build and run iOS example project, do:
-----
-cd react-native-alice-bobbi/undefined
-yarn
-react-native run-ios
-----
+💡 next time consider using \`--generate-example\` to add a generated example!
 ",
     ],
   },

tests/with-mocks/cli/command/func/with-logging/with-bogus-platforms/empty-string/__snapshots__/cli-command-with-empty-platforms-string.test.js.snap

@@ -154,12 +154,7 @@ yarn-error.log
 ====================================================
 YOU'RE ALL SET!
 
-To build and run iOS example project, do:
-----
-cd react-native-alice-bobbi/undefined
-yarn
-react-native run-ios
-----
+💡 next time consider using \`--generate-example\` to add a generated example!
 ",
     ],
   },