fix: Add outline to dark logo (#1649)

close: #1640

### Changes Made

- **Added White Outline:** Included a new `<text>` element with a white stroke and no fill to create the outline effect.

### Benefits

- **Improved Visibility:** The white outline makes the text more distinguishable, especially on complex backgrounds or varying colors.
- **Enhanced Contrast:** Provides a clear visual separation between the text and the background, improving overall text clarity.

### Notes

- No changes were made to other elements in the SVG file.
- Ensure to review the updated SVG in various environments to verify the visual effect.