feat(cli): add 'no src directory' option

[chrisdadev13]

✅ Checklist

• I have followed every step in the contributing guide (updated 2022-10-06).
• The PR title follows the convention we established conventional-commit
• I performed a functional test on my final commit

---

Changelog

• CLI option: Would you like to use 'src' directory? yes/no
• If yes, create the project with the src directory (current and default option at this moment)
• If not, create the project without the src directory (I always do it manually 😭😭)

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Screenshots

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[chrisdadev13]

This PR was an exploration, I think it would be better to maybe just add this logic as a function moveProjectSrc in the index.ts file with the logic to move all the folders in the src to outside of it and then delete the src directory from the project. Just like this:

Current create-t3-app/cli/index.ts

  if (importAlias !== "~/") {
    setImportAlias(projectDir, importAlias);
  }

  if (!noInstall) {
    await installDependencies({ projectDir });
  }

  if (!noGit) {
    await initializeGit(projectDir);
  }

To add: create-t3-app/cli/index.ts

if (!srcDirectory){
    await moveProjectSrc({projectName, packages}) // mv [folderName] .. and then rm -r src
}

[chrisdadev13]

I think I did a better PR: #1941