Enhance Breadcrumbs (#39)

* chore(localization): remove duplicated locale files

* feat(localization): add localization for breadcrumbs

* feat(localization): add beadcrumb enhancements

* feat(debugging): add npm run debug command

* chore(localization): add unit tests

* chore(breadcrumbs): fix tests and typos

* chore(localization): add docs for translationAvailable

* chore(localization): refactor translationAvailable

lib/breadcrumb.js

@@ -1,5 +1,5 @@
 const url = require('url')
-const { translate } = require('../i18n/i18n')
+const { translate, translationAvaliable } = require('../i18n/i18n')
 
 module.exports = (modifier) => {
   return (request, response, next) => {
@@ -13,17 +13,26 @@ module.exports = (modifier) => {
     })
     // Map components of the path to breadcrumbs with resolvable URLs
     let mappedComponents = urlComponents.map((component, i, array) => {
+      const currentLocale = response.locals.currentLocale
       const path = array.slice(0, i + 1).join('/')
+
+      let label = component.replace(/-/g, ' ')
+      if (translationAvaliable(`${label}Label`, currentLocale.code)) {
+        label = translate(`${label}Label`, currentLocale.code)
+      }
+
       return {
-        label: component.replace(/-/g, ' '),
+        label: label,
         url: url.resolve(baseUrl, path),
         path: path
       }
     })
+
     breadcrumbs = breadcrumbs.concat(mappedComponents)
     if (modifier) {
       breadcrumbs = breadcrumbs.map(modifier)
     }
+
     // Make it global
     request.app.locals.breadcrumb = breadcrumbs
     next()