init command configures & creates package.json

[MrScriptX]

#381 This is a starting point for the init command. The main code is found inside src/cli/init_command.zig.

There are issues that needs to be address with the code in this pull request.

Issues

• Will not work on Windows because it doesn't recognize '\r\n' line break. It's not an issue now, but keep it in mind.
• Maybe some options are missing like package version or adding script command.
• Haven't been able to test it with bun (can't compile bun as of now).

[Jarred-Sumner]

Thank you for this. Bun definitely needs a bun init command

[xhyrom]

bun init is already here, can we close this?

cc @Jarred-Sumner