Update webpack to version 5, changed configuration from previous comm…

…it, compile correctly with json-loader to correct

.babelrc

@@ -5,6 +5,7 @@
     "@babel/plugin-proposal-class-properties",
     "@babel/plugin-proposal-object-rest-spread",
     "@babel/plugin-proposal-optional-chaining",
-    "@babel/plugin-proposal-nullish-coalescing-operator"
+    "@babel/plugin-proposal-nullish-coalescing-operator",
+    "@babel/plugin-syntax-dynamic-import"
   ]
 }

locales/index.js

@@ -1,9 +1,10 @@
-export const DEFAULT_LOCALE = 'en';
-export const LOCALES = ['en'];
+const context = require.context('./', false, /\.json$/);
 
-const locales = LOCALES.reduce((acc, locale) => {
-  acc[locale] = require(`./${locale}.json`);
-  return acc;
-}, {});
+const locales = {};
+
+context.keys().forEach((key) => {
+  const locale = key.replace('./', '').replace('.json', '');
+  locales[locale] = context(key);
+});
 
 export default locales;