Implement Stylelint for CSS/SCSS linting and confirm ESLint for JS

- Added Stylelint configuration to enforce styling rules in CSS/SCSS.

Signed-off-by: Timothy Asir Jeyasingh <[email protected]>

Author: TimothyAsirJeyasing

.eslintrc.js

@@ -68,6 +68,7 @@ module.exports = {
     'default-case': 'off',
     'global-require': 'off',
     'implicit-arrow-linebreak': 'off',
+    camelcase: ['error', { allow: ['pfV5', 'pfM'] }],
     'import/no-extraneous-dependencies': [
       'error',
       {

.stylelintrc.js

@@ -0,0 +1,9 @@
+module.exports = {
+  plugins: ['stylelint-scss'],
+  rules: {
+    'scss/at-function-pattern': '^pf-(v5|m)-',
+    'scss/at-mixin-pattern': '^pf-(v5|m)-',
+    'scss/dollar-variable-pattern': '^pf-(v5|m)-',
+    // "selector-class-pattern": "^pf-(v5|m)-"
+  },
+};