Added group create and edit functionalities

[JunHammy]

What was done in this PR

Catalogue/createGroup.jsx:

• Modal dialog for creating new groups (books or categories)
• Handles form validation with character limits
• Manages API calls to create groups and updates the catalogue

Catalogue/groupTypeToggle.jsx:

• Visual toggle between "Book" and "Category" creation modes
• Shows icons and responsive labels
• Provides visual feedback for selected type

DataStudio/deleteGroup.jsx:

• Confirmation dialog for group deletion
• Requires exact name typing for confirmation
• Handles API deletion and navigation after success

DataStudio/groupViewActionBar.jsx:

• Floating action bar for saving/canceling edits
• Tracks changes and validates input
• Handles API calls for group updates

DataStudio/groupViewDetails.jsx:

• Displays and edits group name/description
• Toggles between view/edit modes
• Integrates with action bar for save operations

Catalogue.jsx:

• Integrated group creation functionality

GroupView.jsx:

• Detail view for specific groups
• Shows all items in a group
• Integrates delete and edit functionality

[Prakhar896]

LGTM