feat: Implement theme switcher and login modal functionality

- Added theme switcher with options for auto, light, and dark modes.
- Integrated local storage to remember user theme preference.
- Created a login modal that appears when accessing restricted content.
- Implemented captcha verification for login.
- Updated styles for various components to enhance UI consistency.
- Refactored balance and transaction display logic to support dynamic updates.

Author: prettyleaf

1.html

@@ -4,6 +4,10 @@
 
 A collection of simple and clean HTML page templates ready to use for your projects.
 
+Inspired by Nothing Tech.
+
+Made by AI.
+
 ## Showcaase
 
 ### [Forum page](https://prettyleaf.github.io/html-templates/1.html)