Initial commit - Angular library: ui-essentials

🎯 Implementation Complete!

This library has been extracted from the monorepo and is ready for Git submodule distribution.

Features:
- Standardized SCSS imports (no relative paths)
- Optimized public-api.ts exports
- Independent Angular library structure
- Ready for consumer integration as submodule

🚀 Generated with Claude Code (https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

src/lib/components/data-display/index.ts

@@ -0,0 +1,17 @@
+export * from './accordion';
+export * from './avatar';
+export * from './badge';
+export * from './card';
+export * from './carousel';
+export * from './chip';
+export * from './image-container';
+export * from './list';
+export * from './progress';
+export * from './table';
+export * from './timeline';
+export * from './tooltip';
+export * from './transfer-list';
+export * from './tree-view';
+// Selectively export from feedback to avoid ProgressBarComponent conflict
+export { StatusBadgeComponent } from '../feedback';
+export type { StatusBadgeVariant, StatusBadgeSize, StatusBadgeShape } from '../feedback';