Updating config for stylelint 15. Adding stylelint-config-standard to dependencies.

Author: Dmitry Kuznetsov

.eslintrc

@@ -5,19 +5,24 @@ Stylelint configuration for Plesk projects
 [![NPM version](https://img.shields.io/npm/v/@plesk/stylelint-config.svg)](https://www.npmjs.org/package/@plesk/stylelint-config)
 [![NPM Downloads](https://img.shields.io/npm/dm/@plesk/stylelint-config.svg)](https://www.npmjs.org/package/@plesk/stylelint-config)
 
-
 ## Installation
-
-```
-npm install --save-dev @plesk/stylelint-config
+Install a compatible version of stylelint.
 ```
+# with npm:
+npm install --save-dev styleling @plesk/stylelint-config
 
+# with yarn:
+yarn add --dev styleling @plesk/stylelint-config
+```
 
 ## Usage
 
 Put into your `.stylelintrc`
 ```json
 {
-  "extends": "@plesk/stylelint-config"
+  "extends": "@plesk/stylelint-config",
+  "rules": {
+    // Add overrides and additional rules here
+  }
 }
 ```

README.md

@@ -1,5 +1,28 @@
-const stylelint = require('./src/rules/stylelint');
-
 module.exports = {
-    rules: stylelint,
-};
+    extends: [
+        'stylelint-config-standard'
+    ],
+    rules: {
+        'alpha-value-notation': 'number',
+        'custom-property-pattern': null,
+        'hue-degree-notation': null,
+        'import-notation': null,
+        'keyframes-name-pattern': null,
+        'media-feature-range-notation': null,
+        'no-descending-specificity': null,
+        'property-no-vendor-prefix': null,
+        'selector-class-pattern': null,
+        'selector-id-pattern': null,
+        'selector-not-notation': null
+    },
+    overrides: [
+        {
+            files: [ '**/*.less' ],
+            customSyntax: 'postcss-less',
+            rules: {
+                'function-no-unknown': null,
+                'no-invalid-position-at-import-rule': null
+            }
+        }
+    ]
+}

index.js

@@ -1,25 +1,29 @@
 {
   "name": "@plesk/stylelint-config",
-  "version": "1.0.0",
-  "description": "Plesk shareable config for stylelint",
+  "version": "2.0.0",
+  "description": "Stylelint shareable config for Plesk projects",
+  "main": "index.js",
+  "keywords": [
+    "plesk",
+    "stylelint",
+    "stylelint-config"
+  ],
   "repository": {
     "type": "git",
     "url": "git+https://github.com/plesk/stylelint-config.git"
   },
-  "main": "index.js",
-  "files": [
-    "src",
-    "index.js"
-  ],
-  "scripts": {
-    "test": "eslint ."
-  },
-  "devDependencies": {
-    "@plesk/eslint-config": "^1.1.0"
+  "dependencies": {
+    "stylelint-config-standard": "^33.0.0"
   },
   "peerDependencies": {
-    "stylelint": "^14.0.0"
+    "stylelint": "^15.5.0",
+    "postcss-less": "^6.0.0"
+  },
+  "peerDependenciesMeta": {
+    "postcss-less": {
+      "optional": true
+    }
   },
-  "author": "Alexey Sinko",
+  "author": "Plesk",
   "license": "Apache-2.0"
 }