Closes #1017

✅ Checklist

• I have followed every step in the contributing guide
• The PR title follows the convention.
• I ran and tested the code works

Testing

1. Ensure that the tsconfig.json file does not contain an explicit include directive.
2. Run pnpm exec triggerdev init.
3. Verify if the trigger.config.ts file is not included in the include tsconfig directive.
4. Next, manually add an include directive to the tsconfig.json file.
5. Once the include directive is added, run pnpm exec triggerdev init again.
6. Check if trigger.config.ts is included in the include directive tsconfig, as it should be based on the presence of the include directive.

Changelog

This pull request addresses an issue specific to the cli-v3 init where TypeScript files were mistakenly included in the project directory when no include directive was present in tsconfig.json. Previously, the cli init added trigger.config.ts to the inclusion list by default, resulting in TypeScript compilation errors for other files within the project.

To resolve this issue, the proposed fix ensures that trigger.config.ts is only added to the inclusion list if there's an existing include directive present in tsconfig.json. This prevents unintended TypeScript compilation errors for other files and maintains the expected behavior of the TypeScript compiler.

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