devops: stylelint extends are now absolute paths

apparently stylelint needs absolute paths for extends and plugins.

refs: 
1. https://stackoverflow.com/a/57840591/6301627
1. AtomLinter/linter-stylelint#68 (comment)

frontend/stylelint.config.js

@@ -1,9 +1,23 @@
+/* eslint-disable @typescript-eslint/no-var-requires */
+
+const rootNodeModulesPath = require('path').resolve(
+  __dirname,
+  '..',
+  'node_modules'
+);
+
+const getAbsolutePath = (name) => `${rootNodeModulesPath}/${name}`;
+
+const extendsNames = [
+  'stylelint-config-standard',
+  'stylelint-config-sass-guidelines',
+  'stylelint-config-recess-order',
+];
+
+const extendsPaths = extendsNames.map(getAbsolutePath);
+
 module.exports = {
-  extends: [
-    'stylelint-config-standard',
-    'stylelint-config-sass-guidelines',
-    'stylelint-config-recess-order',
-  ],
+  extends: extendsPaths,
   plugins: [],
   rules: {
     'order/properties-alphabetical-order': null, // conflicts with recess-order