add link to deployment docs after build (facebook#3104)

* add link to deployment docs after build

* Update printHostingInstructions.js

Author: viankakrisna

packages/react-dev-utils/printHostingInstructions.js

@@ -68,6 +68,11 @@ function printBaseMessage(buildFolder, hostingLocation) {
     console.log(
       `The ${chalk.cyan(buildFolder)} folder is ready to be deployed.`
     );
+    console.log()
+    console.log('Find out more about deployment here:');
+    console.log();
+    console.log(`  ${chalk.yellow('http://bit.ly/2vY88Kr')}`);
+    console.log();
 }
 
 function printDeployInstructions(publicUrl, hasDeployScript, useYarn) {