feat(learn, i18n): enable japanese certifications (#44869)

* feat(learn, i18n): enable japanese certifications

* feat(learn, i18n): update links for japanese pages

* Revert "feat(learn, i18n): update links for japanese pages"

This reverts commit 8e16f4dd22.

* feat(learn, i18n): update links for japanese pages

* feat(learn, i18n): update algoliaIndices for japanese

* feat(learn, i18n): update meta tags for japanese

config/i18n/all-langs.ts

@@ -16,7 +16,8 @@ export const availableLangs = {
     'chinese-traditional',
     'italian',
     'portuguese',
-    'ukrainian'
+    'ukrainian',
+    'japanese'
   ],
   curriculum: [
     'english',
@@ -25,7 +26,8 @@ export const availableLangs = {
     'chinese-traditional',
     'italian',
     'portuguese',
-    'ukrainian'
+    'ukrainian',
+    'japanese'
   ]
 };
 
@@ -108,6 +110,20 @@ export const auditedCerts = {
     SuperBlocks.MachineLearningPy,
     SuperBlocks.CodingInterviewPrep,
     SuperBlocks.RelationalDb
+  ],
+  japanese: [
+    SuperBlocks.RespWebDesign,
+    SuperBlocks.JsAlgoDataStruct,
+    SuperBlocks.FrontEndDevLibs,
+    SuperBlocks.DataVis,
+    SuperBlocks.BackEndDevApis,
+    SuperBlocks.QualityAssurance,
+    SuperBlocks.SciCompPy,
+    SuperBlocks.DataAnalysisPy,
+    SuperBlocks.InfoSec,
+    SuperBlocks.MachineLearningPy,
+    SuperBlocks.CodingInterviewPrep,
+    SuperBlocks.RelationalDb
   ]
 };
 
@@ -126,7 +142,8 @@ export const i18nextCodes = {
   'chinese-traditional': 'zh-Hant',
   italian: 'it',
   portuguese: 'pt-BR',
-  ukrainian: 'uk'
+  ukrainian: 'uk',
+  japanese: 'ja'
 };
 
 // These are for the language selector dropdown menu in the footer
@@ -137,7 +154,8 @@ export const langDisplayNames = {
   'chinese-traditional': '中文（繁體字）',
   italian: 'Italiano',
   portuguese: 'Português',
-  ukrainian: 'Українська'
+  ukrainian: 'Українська',
+  japanese: '日本語'
 };
 
 /* These are for formatting dates and numbers. Used with JS .toLocaleString().
@@ -151,5 +169,6 @@ export const langCodes = {
   'chinese-traditional': 'zh-Hant',
   italian: 'it',
   portuguese: 'pt-BR',
-  ukrainian: 'uk'
+  ukrainian: 'uk',
+  japanese: 'ja'
 };