Optimizing Frontend Flexibility: Streamlined Project Structure and Dependencies

[lucaspinosi]

By reducing the default project structure and its initial dependencies, the frontend configuration can become more flexible.
Thus, the sustainability and scalability of frontend development would be enhanced.

The proposed changes are listed below in separate issues:

• Theme switch feature adds to much boilerplate #56
• Mixed project folder structure #55
• Project dependencies #54
• Project dependencies - Css libraries #53
• Unnecessary additional components #52