build: reduce webpack size of bip39 (#1747)

* remove non-english wordlists from bip39

* add webpack change to tests

* add bundlephobia badge

webpack.config.js

@@ -26,6 +26,10 @@ function getDefaultConfiguration() {
       ),
       new webpack.ProvidePlugin({ process: 'process/browser' }),
       new webpack.ProvidePlugin({ Buffer: ['buffer', 'Buffer'] }),
+      new webpack.IgnorePlugin({
+        resourceRegExp: /^\.\/wordlists\/(?!english)/,
+        contextRegExp: /bip39\/src$/,
+      }),
     ],
     module: {
       rules: [],