add README.md

Author: aztack

Diff for: README.md

@@ -0,0 +1,37 @@
+# A Webpack loader for replacing src and href of image, script and link tag
+
+```js
+var ExtractTextPlugin = require('extract-text-webpack-plugin')
+var path = require('path')
+return {
+  loader: {
+    test: test,
+    loader: ExtractTextPlugin.extract({
+      use: {
+        loader: 'jade-url-replace-loader',
+        options: {
+          attrs: ['img:src','script:src','link:href'],
+          getEmitedFilePath: function (url) {
+            if (!manifest) {
+              // get filename with contenthash from manifest files
+              // manifest file should be generated before hand
+              var assetsRoot = path.join(__dirname, 'dist')
+              var m1 = require(path.join(assetsRoot + '/manifest-js.json'))
+              var m2 = require(path.join(assetsRoot + '/manifest-stylus.json'))
+              var m3 = require(path.join(assetsRoot + '/manifest-img.json'))
+              manifest = Object.assign({}, m1, m2, m3)
+              console.log('Manifest:', manifest)
+            }
+            var pub = '/static/'
+            var k = url.replace(pub, '')
+            return pub + manifest[k]
+          }
+        }
+      }
+    })
+  },
+  plugins: [
+    new ExtractTextPlugin('[name].jade')
+  ]
+}
+```

Diff for: package.json

@@ -1,7 +1,7 @@
 {
   "name": "jade-url-replace-loader",
   "version": "1.0.0",
-  "description": "Replace src and href of image, script and link tag",
+  "description": "A Webpack loader for replacing src and href of image, script and link tag",
   "main": "index.js",
   "scripts": {
     "test": "mocha --reporter spec"