edit style guide 04-06 rule to use src

Author: filipesilva

public/docs/ts/latest/guide/style-guide.jade

@@ -953,12 +953,12 @@ a(href="#toc") Back to top
 
   Have a near-term view of implementation and a long-term vision. Start small but keep in mind where the app is heading down the road.
 
-  All of the app's code goes in a folder named `app`. 
+  All of the app's code goes in a folder named `src`. 
   All feature areas are in their own folder, with their own Angular module. 
 
   All content is one asset per file. Each component, service, and pipe is in its own file. 
-  All third party vendor scripts are stored in another folder and not in the `app` folder. 
-  You didn't write them and you don't want them cluttering `app`. 
+  All third party vendor scripts are stored in another folder and not in the `src` folder. 
+  You didn't write them and you don't want them cluttering `src`. 
   Use the naming conventions for files in this guide.
 
 a(href="#toc") Back to top
@@ -1105,7 +1105,7 @@ a(href="#toc") Back to top
 
 .s-rule.do
   :marked
-    **Do** put all of the app's code in a folder named `app`.
+    **Do** put all of the app's code in a folder named `src`.
 
 .s-rule.consider
   :marked
@@ -1176,6 +1176,8 @@ a(id='file-tree')
         .file app-routing.module.ts
       .file main.ts
       .file index.html
+      .file ...
+    .file node_modules/...
     .file ...
 :marked
 
@@ -1379,7 +1381,7 @@ a(href="#toc") Back to top
       .file app-routing.module.ts
     .file main.ts
     .file index.html
-    .file ...
+  .file ...
 :marked
 
 +makeTabs(