Added SCSS compiling option to seed.config

Author: hankehly

tools/config/seed.config.ts

@@ -241,6 +241,13 @@ export class SeedConfig {
    */
   CODELYZER_RULES = customRules();
 
+  /**
+   * The flag to enable handling of SCSS files
+   * The default value is false. Override with the '--scss' flag.
+   * @type {boolean}
+   */
+  ENABLE_SCSS = argv['scss'] || false;
+
   /**
    * The list of NPM dependcies to be injected in the `index.html`.
    * @type {InjectableDependency[]}