feat(vite): add HTTPS support with configurable SSL

[AMoreaux]

The Pull Request adds support for local HTTPS configuration and introduces a new environment variable for the app's base URL.

• Added new environment variable REACT_APP_BASE_URL in .env.example.
• Introduced logic to utilize SSL certificates for local HTTPS in vite.config.ts.
• Added validation to ensure SSL key and certificate paths are defined for HTTPS.
• Included support for dynamic base URL setting based on the environment configuration.
• Enhanced server configuration in vite.config.ts to handle HTTPS and local development.

[github-actions[bot]]

Thanks @AMoreaux for your contribution! This marks your 7th PR on the repo. You're top 5% of all our contributors 🎉 See contributor page - Share on LinkedIn - Share on Twitter