Instagram generator indentation and whitespace fixes

generator.js

@@ -1022,6 +1022,7 @@ inquirer.prompt({
         });
         var instagramLinkUnlink = M(function() {
           /***
+
             if user.instagram
               p: a.text-danger(href='/account/unlink/instagram') Unlink your Instagram account
             else
@@ -1055,7 +1056,7 @@ inquirer.prompt({
 
           // Add Instagram to app.js
           index = app.indexOf(' * OAuth routes for sign-in.');
-          app.splice(index + 2, 0, instagramRoutes);
+          app.splice(index + 3, 0, instagramRoutes);
           fs.writeFileSync(appFile, app.join('\n'));
 
           // Add Instagram to secrets.js