feat: enable new langs (#42491)

Enable italian and portuguese

config/i18n/all-langs.js

@@ -2,8 +2,22 @@
  * from the .env file aren't found in their respective arrays below
  */
 const availableLangs = {
-  client: ['english', 'espanol', 'chinese', 'chinese-traditional'],
-  curriculum: ['english', 'espanol', 'chinese', 'chinese-traditional']
+  client: [
+    'english',
+    'espanol',
+    'chinese',
+    'chinese-traditional',
+    'italian',
+    'portuguese'
+  ],
+  curriculum: [
+    'english',
+    'espanol',
+    'chinese',
+    'chinese-traditional',
+    'italian',
+    'portuguese'
+  ]
 };
 
 // Each client language needs an entry in the rest of the variables below
@@ -16,7 +30,9 @@ const i18nextCodes = {
   english: 'en',
   espanol: 'es',
   chinese: 'zh',
-  'chinese-traditional': 'zh-Hant'
+  'chinese-traditional': 'zh-Hant',
+  italian: 'it',
+  portuguese: 'pt-BR'
 };
 
 // These are for the language selector dropdown menu in the footer
@@ -24,7 +40,9 @@ const langDisplayNames = {
   english: 'English',
   espanol: 'Español',
   chinese: '中文（简体字）',
-  'chinese-traditional': '中文（繁體字）'
+  'chinese-traditional': '中文（繁體字）',
+  italian: 'Italiano',
+  portuguese: 'Português'
 };
 
 /* These are for formatting dates and numbers. Used with JS .toLocaleString().
@@ -35,7 +53,9 @@ const langCodes = {
   english: 'en-US',
   espanol: 'es-419',
   chinese: 'zh',
-  'chinese-traditional': 'zh-Hant'
+  'chinese-traditional': 'zh-Hant',
+  italian: 'it',
+  portuguese: 'pt-BR'
 };
 
 exports.availableLangs = availableLangs;