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/features-3-col.php

@@ -0,0 +1,64 @@
+<?php
+/**
+ * Title: Features three columns
+ * Slug: wp-bootstrap/features-3-col
+ * Categories: wp-bootstrap_features
+ * Description: A three-column feature grid with images, headings, and descriptions.
+ *
+ * @package WPBootstrap
+ * @since 0.1.0
+ */
+?>
+<!-- wp:group {"align":"full","style":{"spacing":{"padding":{"top":"var:preset|spacing|70","bottom":"var:preset|spacing|70"}}},"layout":{"type":"constrained"}} -->
+<div class="wp-block-group alignfull" style="padding-top:var(--wp--preset--spacing--70);padding-bottom:var(--wp--preset--spacing--70)"><!-- wp:heading {"textAlign":"center","fontSize":"xx-large"} -->
+<h2 class="wp-block-heading has-text-align-center has-xx-large-font-size"><?php esc_html_e( 'Features', 'wp-bootstrap' ); ?></h2>
+<!-- /wp:heading -->
+
+<!-- wp:paragraph {"align":"center","textColor":"secondary"} -->
+<p class="has-text-align-center has-secondary-color has-text-color"><?php esc_html_e( 'Everything you need to build a modern website.', 'wp-bootstrap' ); ?></p>
+<!-- /wp:paragraph -->
+
+<!-- wp:columns {"align":"wide","style":{"spacing":{"blockGap":{"left":"var:preset|spacing|50"}}}} -->
+<div class="wp-block-columns alignwide"><!-- wp:column -->
+<div class="wp-block-column"><!-- wp:image {"width":"64px","height":"64px","sizeSlug":"thumbnail"} -->
+<figure class="wp-block-image size-thumbnail is-resized"><img src="" alt="" style="width:64px;height:64px"/></figure>
+<!-- /wp:image -->
+
+<!-- wp:heading {"level":3} -->
+<h3 class="wp-block-heading"><?php esc_html_e( 'Responsive Design', 'wp-bootstrap' ); ?></h3>
+<!-- /wp:heading -->
+
+<!-- wp:paragraph {"textColor":"secondary"} -->
+<p class="has-secondary-color has-text-color"><?php esc_html_e( 'Your website looks great on every device, from mobile phones to large desktop screens.', 'wp-bootstrap' ); ?></p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column -->
+
+<!-- wp:column -->
+<div class="wp-block-column"><!-- wp:image {"width":"64px","height":"64px","sizeSlug":"thumbnail"} -->
+<figure class="wp-block-image size-thumbnail is-resized"><img src="" alt="" style="width:64px;height:64px"/></figure>
+<!-- /wp:image -->
+
+<!-- wp:heading {"level":3} -->
+<h3 class="wp-block-heading"><?php esc_html_e( 'Easy Customization', 'wp-bootstrap' ); ?></h3>
+<!-- /wp:heading -->
+
+<!-- wp:paragraph {"textColor":"secondary"} -->
+<p class="has-secondary-color has-text-color"><?php esc_html_e( 'Customize colors, fonts, and layouts using the WordPress Site Editor with no code required.', 'wp-bootstrap' ); ?></p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column -->
+
+<!-- wp:column -->
+<div class="wp-block-column"><!-- wp:image {"width":"64px","height":"64px","sizeSlug":"thumbnail"} -->
+<figure class="wp-block-image size-thumbnail is-resized"><img src="" alt="" style="width:64px;height:64px"/></figure>
+<!-- /wp:image -->
+
+<!-- wp:heading {"level":3} -->
+<h3 class="wp-block-heading"><?php esc_html_e( 'Performance First', 'wp-bootstrap' ); ?></h3>
+<!-- /wp:heading -->
+
+<!-- wp:paragraph {"textColor":"secondary"} -->
+<p class="has-secondary-color has-text-color"><?php esc_html_e( 'Built with speed in mind. Optimized assets and clean code for lightning-fast page loads.', 'wp-bootstrap' ); ?></p>
+<!-- /wp:paragraph --></div>
+<!-- /wp:column --></div>
+<!-- /wp:columns --></div>
+<!-- /wp:group -->