Enhance README and refactor code structure for improved functionality

- Updated README.md with detailed project description, features, and installation instructions.
- Refactored functions.php to include configuration settings and improved database handling.
- Modified index.php for better user experience and added pagination controls.
- Introduced new utility functions for API handling and database interactions.
- Added CSS styles for improved layout and visibility of elements.
- Removed vault.csv as data is now managed through the database.
- Implemented FTP deployment workflow for automated deployment.
- Added exception handling classes for better error management.
- Created JavaScript functions for pagination of transaction records.

config.php

@@ -0,0 +1,16 @@
+<?php
+// Configuration file for settings like database and API keys
+
+// Database settings
+define('DB_DSN', 'sqlite:data/vault.db'); // Path to your SQLite database
+define('DB_USER', null); // Not needed for SQLite
+define('DB_PASSWORD', null); // Not needed for SQLite
+
+// User-specific keys for accessing logs
+const USER_KEYS = [
+  'zarathos' => 'y2ypLEEIOweEXC7x',
+  'symos'    => 'lne9TZLuqvFXtK3V'
+];
+
+// Number of rows per page
+define('ROWS_PER_PAGE', 25);