Added build script

Author: acelaya

.gitignore

@@ -2,3 +2,4 @@ node_modules
 .idea
 docker-compose.override.yml
 home
+dist

package.json

@@ -2,7 +2,7 @@
   "name": "@shlinkio/stylelint-config-css-coding-standard",
   "version": "0.1.0",
   "description": "Coding standard used by Shlink projects for stylesheets",
-  "main": "index.js",
+  "main": "dist/index.js",
   "repository": {
     "type": "git",
     "url": "git+https://github.com/shlinkio/css-coding-standard.git"
@@ -20,6 +20,9 @@
     "url": "https://github.com/shlinkio/css-coding-standard/issues"
   },
   "homepage": "https://github.com/shlinkio/css-coding-standard",
+  "scripts": {
+    "build": "mkdir -p dist && rm -rf dist/* && cp index.js dist"
+  },
   "dependencies": {
     "stylelint-config-recommended-scss": "^6.0.0",
     "stylelint-config-standard": "^25.0.0",