Add possibility to pass options to svgr loader (#1)

* Add possibility to pass options to svgr loader

* Upd readme

Author: lazyd3v

README.md

@@ -38,3 +38,17 @@ const App = () => (
   </div>
 )
 ```
+
+Also you can pass options to svgr webpack loader via third parameter
+```js
+/* config-overrides.js */
+
+const rewireSVGR = require('react-app-rewire-svgr');
+
+module.exports = function override(config, env) {
+    // ...
+    config = rewireSVGR(config, env, { svgo: false });
+    // ...
+    return config;
+}
+```

index.js

@@ -1,6 +1,6 @@
 const { getBabelLoader } = require(`react-app-rewired`)
 
-function rewireSVGR(config) {
+function rewireSVGR(config, env, svgrLoaderOptions) {
   const babelLoader = getBabelLoader(config.module.rules)
   const svgReactLoader = {
     test: /\.svg$/,
@@ -9,7 +9,10 @@ function rewireSVGR(config) {
         loader : babelLoader.loader,
         options: babelLoader.options,
       },
-      { loader: require.resolve(`svgr/webpack`) },
+      { 
+        loader: require.resolve(`svgr/webpack`),
+        options: svgrLoaderOptions
+      },
     ],
   }