Added a case study of JR East View Tourism & Sales Co.

Case study page: https://mysite-ai.jp/case/service/all/

Introduction: JR East View Tourism & Sales, Inc. MySite AI Translation Premium was introduced to the official website of "*and trip.", a media to learn about seasonal towns, seasonal attractions, and the current status of the region. As a regional media, it aggregates regional information and provides travel opportunities to everyone.