chore(types): add tsconfig.json and enforce better type safety

[nassimkissi]

🛠 What’s Changed?

• Added tsconfig.json with recommended settings.
• Improved TypeScript integration by enforcing better type safety.
• Fixed implicit any types in first existing .ts files.

✅ Why?

• The project already had .ts files but lacked a proper tsconfig.json.
• This ensures stricter type checking and improves maintainability.
• Helps prevent runtime errors by catching issues at compile time.

[vercel]

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