Add neon theme with vibrant colors

[mohitpaddhariya]

feat: Add neon theme with vibrant colors

Description:
Added a new neon theme with a dark background and vibrant, eye-catching colors. The theme includes bright accents and error colors for an engaging typing experience.

Theme Overview:

• Background Color: #2b213a
• Main Color: #ff71ce
• Caret Color: #b967ff
• Sub Color: #01cdfe
• Sub Alt Color: #664e8c
• Text Color: #fffb96
• Error Color: #ff3864
• Error Extra Color: #ff5e5e
• Colorful Error Color: #ff00ff
• Colorful Error Extra Color: #00ffff

Test Cases:

1. Theme Overview:

   • Verified that the theme colors render correctly when applied.
     

2. Theme with Typing:

   • Tested typing experience with the neon theme enabled to ensure readability and visual comfort.
     

3. Navigation Menu Example:

   • Confirmed that the navigation menu is visually consistent with the theme.
     

4. Color Full Mode:

   • Tested color full mode to ensure colors are vibrant and enhance the typing experience.
     

5. Color Flip Mode:

   • Checked color flip mode to ensure colors transition smoothly and remain readable.
     

Additional Notes:

• All changes have been tested and confirmed to meet the theme guidelines.
• If further adjustments are needed, please let me know.

Author: Mohit Paddhariya

[github-actions]

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