Split SearchControls into separate component (#174)

* Split SearchControls into separate component

* Add testing config

* Add webpack config

* Add snapshot tests for Search Controls

* bump version and update package-lock format

webpack.dev.config.js

@@ -0,0 +1,13 @@
+const path = require('path');
+const { createConfig } = require('@edx/frontend-build');
+
+const config = createConfig('webpack-dev');
+
+config.resolve.modules = [
+  path.resolve(__dirname, './src'),
+  'node_modules',
+];
+
+config.module.rules[0].exclude = /node_modules\/(?!(query-string|split-on-first|strict-uri-encode|@edx))/;
+
+module.exports = config;