Style(repo): Introduce commit scope for exporter of SCSS variables

.commitlintrc.js

@@ -24,6 +24,7 @@ module.exports = {
         'exporter-js',
         'exporter-scss',
         'exporter-svg',
+        'exporter-variables-scss',
         // Use when committing changes/additions/removals to exact config
         'jest-config',
         'prettier-config',