Example of simultaneous-cursors not working at official website

[ymw0407]

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What happened: example of simultaneous-cursors is not working...

same problem occured in https://yorkie.dev/yorkie-js-sdk/examples/simultaneous-cursors/ too!

What you expected to happen:

How to reproduce it (as minimally and precisely as possible): I was checking the examples on the official site, but I found that it didn't work.

Anything else we need to know?:

Environment:

• Operating system: Ubuntu 22.04 LTS
• Browser and version: Chrome 119.0.6045.159(Latest Version)
• Yorkie version (use yorkie version):
• Yorkie JS SDK version:

[ymw0407]

In local environment, I tested using https://api.yorkie.dev(VITE_YORKIE_API_ADDR) and it works well!