Add Visual Studio Code Live Share extension to GitHub CodeSpaces

[lloydchang]

Describe the issue Add Visual Studio Code Live Share extension to GitHub CodeSpaces

References:

1. https://docs.github.com/en/codespaces/developing-in-codespaces/working-collaboratively-in-a-codespace
2. https://devblogs.microsoft.com/cse/2023/03/20/pair-programming-and-codespaces/
3. https://stackoverflow.com/questions/58736399/how-to-get-vscode-liveshare-extension-working-when-running-inside-vscode-remote

Expected behavior

In lines 31 and 32 of devcontainer.json https://github.com/freeCodeCamp/classroom/blob/main/.devcontainer/devcontainer.json#L31-L32

Change:

                "esbenp.prettier-vscode"
            ]

To:

                "esbenp.prettier-vscode",
                "ms-vsliveshare.vsliveshare"
            ]

See screenshots below:

Additional context While pair programming with @Code-Victor, @Chrisdbeloved1, @Ayomide6441, and @Quawiyyah, I noticed we can improve the situation and pair programming environment by using Visual Studio Code Live Share extension in GitHub CodeSpaces.