feat: port budget tracker to web app with local storage

[nishtha-agarwal-211]

Port "Budget Tracker" CLI Utility to Web App

Closes #1161

Description

This Pull Request ports the standalone Python CLI Budget Tracker into a responsive, premium web-app dashboard. The utility allows users to log income and expenses, group budgets by categories, analyze expenses dynamically, and persist their logs locally.

Key Features Implemented

1. Interactive Dashboard UI:
   • Responsive design following the project's premium aesthetic color-schemes.
   • Summary cards displaying Total Income, Total Expenses, and Net Balance with conditional color-states (green for surplus, red/orange for deficit).
   • Dynamic Recent Transactions table with details (Date, Type, Category, Description, and Amount).
2. Local Storage Persistence:
   • Saves all transaction logs under the local key budget_transactions so data survives page refreshes and reloads.
3. Visual Analytics:
   • Dynamic Expense Analytics panel featuring progress indicators detailing the ratio of category expenditure to total expenses.
4. Interactive Controls & Safety Modals:
   • Input validations (preventing negative or empty amount fields).
   • Individual item deletion support.
   • A custom glassmorphic Clear All Data confirmation modal overlay.
5. Registry & Assets Integration:
   • Registered the project instructions and initializer in web-app/js/projects.js.
   • Integrated cards statically in web-app/utilities.html and dynamically in web-app/index.html.
   • Generated a dedicated visual card banner using web-app/generate_banners.py.
   • Cleared a pre-existing syntax warning (missing closing brackets in instructions array) in projects.js.
   • Updated the catalog lists in the main README.md.

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