feat(generators/app): hint at how best to include the twitter bootstr…

…ap CSS framework

This should probably be cast into handling a "Would you like to include
the Twitter Bootstrap CSS framework?" prompt.

generators/app/templates/src/app.coffee

@@ -148,6 +148,17 @@ require( './utils/hbs/helpers/moment.coffee' )
 #require( './utils/hbs/partials/...' )
 
 
+## ============================================================================
+##
+##  [Twitter Bootstrap (for Sass)]
+##
+##  http://getbootstrap.com
+##  https://github.com/twbs/bootstrap-sass#b-compass-without-rails
+##
+
+#Bootstrap       = require( 'bootstrap' )
+
+
 ## ============================================================================
 ##
 ##  [madlib]

generators/app/templates/src/sass/_overrides.sass

@@ -5,3 +5,11 @@
 //
 
 //  @import "overrides/..."
+
+//
+//  Framework overrides.
+//
+
+//  For instance:
+//
+//  @import "overrides/_bootstrap"

generators/app/templates/src/sass/app.sass

@@ -13,9 +13,21 @@
     //  Frameworks.
     //
 
+    //  You may or may not want to `@at-root` these.
+    //
     //  For instance:
     //
-    //  @import "bootstrap/_bootstrap"
+    //  ```sass
+    //  @at-root
+    //      @import "bootstrap/_bootstrap"
+    //  ```
+    //
+    //  To get bootstrap to work like that, you would probably want to (in this directory):
+    //
+    //  ```bash
+    //  npm install   bootstrap-sass
+    //  ln -s   ../../node_modules/bootstrap-sass/assets/stylesheets   bootstrap
+    //  ```
 
     //
     //  CSS overrides.