ElegantRL_Solver Website Development

This issue pertains to website development. Please don't hesitate to contact us if you have any feedback or suggestions. We look forward to hearing from you! :smiley: :smiley:

The issue only requests website development and does not identify any files, tests, entry points, or specific behavior. Clarify the website scope and acceptance criteria before choosing where to start or determining what done looks like.

索引モデルが issue の本文から書いたものです。