Update Sass architecture to require helper imports

- Restructuring file strucure to support single file components use of
Sass variables when imported into vuepress.
- Creating a scalable file structure using Sass best practices

Tested by building and testing both the vue web ui and the
the documentation application.

Signed-off-by: Derick Montague <derick.montague@ibm.com>
Change-Id: Iddcefbf305c8dac978ee24e903df33b609e395e3
diff --git a/src/components/AppNavigation/AppNavigation.vue b/src/components/AppNavigation/AppNavigation.vue
index 2f56c28..7a8389f 100644
--- a/src/components/AppNavigation/AppNavigation.vue
+++ b/src/components/AppNavigation/AppNavigation.vue
@@ -142,6 +142,8 @@
 </script>
 
 <style scoped lang="scss">
+@import 'src/assets/styles/helpers';
+
 svg {
   fill: currentColor;
   height: 1.2rem;