Refactor transaction components and styles

- Updated imports to use absolute paths for types and utilities.
- Enhanced TransactionTable component with mobile responsiveness and card-based layout.
- Improved loading and error handling in transaction fetching logic.
- Refactored transaction update API to streamline validation and data preparation.
- Added new styles for Radix UI components and improved global styles for better mobile experience.
- Implemented collapsible sections and improved button interactions in the UI.
- Updated tests to reflect changes in component structure and imports.

src/stores/transactionStore.ts

@@ -1,5 +1,5 @@
+import type { Transaction } from '@types';
 import { atom } from 'nanostores';
-import type { Transaction } from '../types';
 
 // Atom to hold the ID of the currently selected account
 export const currentAccountId = atom<string | null>(null);