v0.1.0 - Core Theme: patterns, dark mode, block styles, style variations

- Add 16 block patterns across 7 new categories (hero, features, CTA,
  testimonials, pricing, contact, text)
- Add dark mode toggle with localStorage persistence and system preference
  detection (Bootstrap 5.3 data-bs-theme)
- Register 17 custom block styles mapping Bootstrap components to WordPress
  blocks (cards, alerts, tables, buttons, etc.)
- Add 4 style variations: Ocean, Forest, Sunset, Midnight
- Add sidebar template part and "Blog with Sidebar" custom template
- Add Inter and Lora variable fonts with fontFace declarations
- Add Display font size (fluid 2.5rem-3.5rem)
- Update translations (en_US .pot, de_CH .po) with all new strings
- Bump version to 0.1.0

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

patterns/header.php

@@ -17,9 +17,10 @@
 		<!-- wp:group {"align":"wide","style":{"spacing":{"padding":{"top":"var:preset|spacing|30","bottom":"var:preset|spacing|30"}}},"layout":{"type":"flex","flexWrap":"nowrap","justifyContent":"space-between"}} -->
 		<div class="wp-block-group alignwide" style="padding-top:var(--wp--preset--spacing--30);padding-bottom:var(--wp--preset--spacing--30)">
 			<!-- wp:site-title {"level":0} /-->
-			<!-- wp:group {"style":{"spacing":{"blockGap":"var:preset|spacing|10"}},"layout":{"type":"flex","flexWrap":"nowrap","justifyContent":"right"}} -->
+			<!-- wp:group {"style":{"spacing":{"blockGap":"var:preset|spacing|20"}},"layout":{"type":"flex","flexWrap":"nowrap","justifyContent":"right","verticalAlignment":"center"}} -->
 			<div class="wp-block-group">
 				<!-- wp:navigation {"overlayBackgroundColor":"base","overlayTextColor":"contrast","layout":{"type":"flex","justifyContent":"right","flexWrap":"wrap"}} /-->
+				<!-- wp:pattern {"slug":"wp-bootstrap/dark-mode-toggle"} /-->
 			</div>
 			<!-- /wp:group -->
 		</div>