updated .vscode extension settings with recommendations

Pull Request: Update `.vscode` and ESLint settings

This pull request updates the .vscode settings and ESLint configurations to enhance the development environment according to project standards.

Added extensions.json file to recommend the following VS Code extensions:
- Prettier
- Linting
- Prisma highlighting
- Tailwind CSS intellisense
- Tailwind Fold
Updated .vscode/settings:
- Removed erroneous workspace configuration theme setting.
- Added "prettier" config patch.
Included .prettierrc.js file in the root directory for Prettier configuration.
Integrated eslint-config-prettier based on Next.js documentation recommendations: Next.js ESLint Config.
Updated .eslintrc.json based on Next.js documentation recommendations: Next.js ESLint Config.

[x] I have read the contributing guidelines.
[x] My code follows the project's coding style.
[x] I have tested these configurations locally and verified they work as expected.
[x] All existing tests passed with these changes.
[ ] I have commented my code, particularly in areas requiring explanation.
[ ] Documentation has been updated to reflect these configuration changes.
[x] No new warnings or errors were introduced with these updates.

This pull request addresses issue #5.
These changes aim to align the project with best practices for future contributors.
The modifications meet the acceptance criteria outlined in issue #5.
Did not comment on code since no explanation was needed,
No documentation to reflect these changes.