Add wild wild whiskers chest to npc_list.

[austinclprojects]

I affirm:

• [x] I have paid attention to this example and will edit again if need be to not break the formatting, or I will be ignored
• [x] I have read and understood the Contributing Guide
• [x] I've tested my code and the things my code has changed since the last commit in the PR, and will test after any later commits

What does this pull request do?

Add the treasure chest for wild wild whiskers to npc_list.sql

Steps to test these changes