Update Yo Office steps to include changing folders (#410)

Update the text to make it clear about the steps once the project is created.
This includes changing directories, installing certificates, and other actions.

src/app/index.ts

@@ -329,11 +329,19 @@ module.exports = yo.extend({
     /* Next steps and npm commands */
     this.log('----------------------------------------------------------------------------------------------------------\n');
     this.log(`      ${chalk.green('Congratulations!')} Your add-in has been created! Your next steps:\n`);
-    this.log(`      1. Launch your local web server via ${chalk.inverse(' npm start ')} (you may also need to`);
-    this.log(`         trust the Self-Signed Certificate for the site if you haven't done that)`);
-    this.log(`      2. Sideload the add-in into your Office application.\n`);
-    this.log(`      Please refer to resource.html in your project for more information.`);
-    this.log(`      Or visit our repo at: https://github.com/officeDev/generator-office \n`);
+    this.log(`      1. Go the directory where your project was created:\n`);
+    this.log(`         ${chalk.bold('cd ' + this._destinationRoot)}\n`);
+    this.log(`      2. Trust the Self-Signed Certificate for your local web server (if you haven't already done that).`);
+    this.log(`         For more information, visit https://github.com/OfficeDev/generator-office/blob/master/src/docs/ssl.md.\n`);
+    this.log(`      3. Start the local web server:\n`);
+    this.log(`         ${chalk.bold('npm start')}\n`);
+    this.log(`      4. Sideload the add-in into your Office application:\n`);
+    this.log(`         ${chalk.bold('npm run sideload')}\n`);
+    this.log(`      5. Open the project in VS Code:\n`);
+    this.log(`         ${chalk.bold('code .')}\n`);
+    this.log(`         For more information, visit http://code.visualstudio.com.\n`);
+    this.log(`      Please refer to resource.html in your project for additional information,`);
+    this.log(`      or visit our repo at: https://github.com/officeDev/generator-office.\n`);
     this.log('----------------------------------------------------------------------------------------------------------\n');
     this._exitProcess();
   },
@@ -345,13 +353,13 @@ module.exports = yo.extend({
       {
         this.log('----------------------------------------------------------------------------------\n');
         this.log(`      Creating manifest for ${chalk.bold.green(this.project.projectDisplayName)} at ${chalk.bold.magenta(this._destinationRoot)}\n`);
-        this.log('----------------------------------------------------------------------------------\n\n');
+        this.log('----------------------------------------------------------------------------------');
       }
     else
       {
         this.log('\n----------------------------------------------------------------------------------\n');
         this.log(`      Creating ${chalk.bold.green(this.project.projectDisplayName)} add-in for ${chalk.bold.magenta(_.capitalize(this.project.host))} using ${chalk.bold.yellow(this.project.scriptType)} and ${chalk.bold.green(_.capitalize(this.project.projectType))} at ${chalk.bold.magenta(this._destinationRoot)}\n`);
-        this.log('----------------------------------------------------------------------------------\n\n');
+        this.log('----------------------------------------------------------------------------------');
       }
   },