Internationalization & localization (#1822)

* install and setup lingui

* setup dynamic locale activation and async loading

* first pass of automated replacement of text messages

* add some more documentaton

* fix nits

* add `es` and `hi`locales for testing purposes

* make accessibilityLabel localized

* compile and extract new messages

* fix merge conflicts

* fix eslint warning

* change instructions from sending email to opening PR

* fix comments

lingui.config.js

@@ -0,0 +1,11 @@
+/** @type {import('@lingui/conf').LinguiConfig} */
+module.exports = {
+  locales: ['en', 'cs', 'fr', 'hi', 'es'],
+  catalogs: [
+    {
+      path: '<rootDir>/src/locale/locales/{locale}/messages',
+      include: ['src'],
+    },
+  ],
+  format: 'po',
+}