Move ui-identicon -> react-identicon (#165)

* Move ui-identicon -> react-identicon

* ui-identicon import fix

* Update README package links

* Update doc sidebar links

* Adjust react-qr signatures, CHANGELOG

packages/react-identicon/webpack.config.js

@@ -0,0 +1,38 @@
+// Copyright 2017-2019 @polkadot/react-identicon authors & contributors
+// This software may be modified and distributed under the terms
+// of the Apache-2.0 license. See the LICENSE file for details.
+
+// eslint-disable-next-line @typescript-eslint/no-var-requires
+const path = require('path');
+
+const ENV = process.env.NODE_ENV || 'development';
+const isProd = ENV === 'production';
+
+module.exports = {
+  context: __dirname,
+  devtool: isProd ? 'source-map' : 'cheap-eval-source-map',
+  entry: './src/Demo.tsx',
+  mode: ENV,
+  output: {
+    path: __dirname,
+    filename: './demo.js'
+  },
+  resolve: {
+    alias: {
+      '@polkadot/ui-settings': path.resolve(__dirname, '../ui-settings/src')
+    },
+    extensions: ['.js', '.jsx', '.ts', '.tsx']
+  },
+  module: {
+    rules: [
+      {
+        test: /\.(js|ts|tsx)$/,
+        exclude: /(node_modules)/,
+        use: [
+          'babel-loader'
+        ]
+      }
+    ]
+  },
+  plugins: []
+};