Translate the Astar Portal for Japanese (#1112)

* Update index.ts Merge English for now

Merge English for now

* Update index.ts - 20231210

After fork update, adjustment

* Update index.ts translating to Ja until line 117

* Update index.ts

Update original file until end of last year. (LINE 725)

* Update index.ts translating to Ja until line 225

* Update index.ts -checkpoint LINE265

* Update index.ts - checkpoing LINE 291

* Update index.ts - line 333

* Update index.ts - untile line 402

* Update index.ts - checkpoint - line 444

* Update index.ts - untile line 500

* Update index.ts checkpoint - untile line 556

* Update index.ts once finished

* Update index.ts adjust (vest, etc)

* Update index.ts Completed to translate in Japanese.

* Fixed errors

* Updated hotfix: #1108