feat(ui): add dark mode theme support to BibleTextView and BibleReader

Added changeset for adding dark mode theme support to BibleTextView and
BibleReader

Author: cameronapak

.changeset/slick-worlds-rule.md

@@ -0,0 +1,14 @@
+---
+'@youversion/platform-react-ui': minor
+'@youversion/platform-core': minor
+'@youversion/platform-react-hooks': minor
+---
+
+feat(ui): add dark mode theme support to BibleTextView and BibleReader
+
+- Add theme prop (light/dark) to BibleTextView for text theme control
+- Implement theme inheritance from YouVersionProvider via useTheme hook
+- Add data-yv-sdk and data-yv-theme attributes for CSS styling
+- Pass theme prop from BibleReader to BibleTextView
+- Add yv:bg-background wrapper to all BibleTextView Storybook stories
+- Rename prop from 'background' to 'theme' for semantic clarity