✨ Implement Admin Projects Management

- Created Admin::ProjectsController for managing projects with actions for index, show, new, edit, create, update, and destroy.
- Added image and hero image upload functionality during project creation and updates.
- Implemented image removal actions for both thumbnail and hero images.
- Developed views for project forms, including error handling and image upload sections.
- Created index, show, edit, and new views for projects with appropriate links and layout.
- Added database migration to create projects table with necessary fields and unique slug index.
- Populated projects table with initial data from a predefined array.
- Implemented migration to attach images to projects from the assets folder.
- Refactored project descriptions by renaming the existing description column to tagline and adding a new description column populated from markdown files.