Added a recipe for Webpack Encore

symfony/webpack-encore/0.9/manifest.json

@@ -0,0 +1,8 @@
+{
+    "copy-from-recipe": {
+        "assets/": "%PROJECT_DIR%/",
+        "package.json": "%PROJECT_DIR%/",
+        "webpack.config.js": "%PROJECT_DIR%/"
+    },
+    "aliases": ["encore", "webpack", "webpack-encore"]
+}

symfony/webpack-encore/0.9/package.json

@@ -0,0 +1,11 @@
+{
+  "devDependencies": {
+    "@symfony/webpack-encore": "^0.9.1"
+  },
+  "scripts": {
+    "dev-server": "./node_modules/.bin/encore dev-server",
+    "dev": "./node_modules/.bin/encore dev",
+    "watch": "./node_modules/.bin/encore dev --watch",
+    "build": "./node_modules/.bin/encore production"
+  }
+}

symfony/webpack-encore/0.9/webpack.config.js

@@ -0,0 +1,23 @@
+var Encore = require('@symfony/webpack-encore');
+
+Encore
+    // directory where all compiled assets will be stored
+    .setOutputPath('web/build/')
+    // what's the public path to this directory (relative to your project's document root dir)
+    .setPublicPath('/build')
+    // empty the outputPath dir before each build
+    .cleanupOutputBeforeBuild()
+    // allow sass/scss files to be processed
+    .enableSassLoader()
+    .enableSourceMaps(!Encore.isProduction())
+    // will output as web/build/app.js
+    // .addEntry('app', './assets/js/app.js')
+    // will output as web/build/global.css
+    // .addStyleEntry('global', './assets/css/app.scss')
+    // allow legacy applications to use $/jQuery as a global variable
+    // .autoProvidejQuery()
+    // create hashed filenames (e.g. app.abc123.css)
+    // .enableVersioning()
+;
+
+module.exports = Encore.getWebpackConfig();