feat(tailwind): add individual color theme files for all color variants (#5267)

* feat(tailwind): add individual color theme files for all color variants

- Create separate CSS files for each color (blue, brand, burgundy, etc.)
- Move colors.css to colors/ subdirectory with adaptive theme
- Add colors/index.css that imports all color variants
- Update theme/index.css to import from colors/index.css
- Each color file follows same structure as adaptive colors
- Enables selective color imports for better modularity

* Create sweet-hotels-agree.md

Author: sarahbrng

.changeset/sweet-hotels-agree.md

@@ -0,0 +1,27 @@
+---
+"@db-ux/core-foundations": patch
+---
+
+feat(tailwind): add individual color theme files for all color variants
+
+- Create separate CSS files for each color 
+- Move colors.css to colors/ subdirectory with adaptive theme
+- Add colors/index.css that imports all color variants
+- Update theme/index.css to import from colors/index.css
+
+* burgundy
+* critical
+* cyan
+* green
+* informational
+* light-green
+* neutral
+* orange
+* pink
+* red
+* successful
+* turquoise
+* violet
+* warning
+* yellow
+