Initial theme scaffolding (v0.0.1)

- Bootstrap 5 CSS/JS integration via Yarn (served locally)
- Dart Sass build pipeline with PostCSS, Autoprefixer, cssnano
- Twig 3.0 via Composer with PSR-4 autoloading
- FSE block theme templates (index, home, single, page, archive, search, 404)
- Template parts (header, footer) and block patterns
- theme.json with Bootstrap 5-aligned design tokens
- Gitea CI/CD workflow for automated release packages
- WordPress i18n support (en_US base, de_CH translation)

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

functions.php

@@ -0,0 +1,95 @@
+<?php
+/**
+ * WP Bootstrap functions and definitions.
+ *
+ * @link https://developer.wordpress.org/themes/basics/theme-functions/
+ *
+ * @package WPBootstrap
+ * @since 0.0.1
+ */
+
+// Prevent direct access.
+if ( ! defined( 'ABSPATH' ) ) {
+    exit;
+}
+
+// Load Composer autoloader.
+if ( file_exists( get_template_directory() . '/vendor/autoload.php' ) ) {
+    require_once get_template_directory() . '/vendor/autoload.php';
+}
+
+/**
+ * Sets up theme defaults and registers support for various WordPress features.
+ */
+if ( ! function_exists( 'wp_bootstrap_setup' ) ) :
+    function wp_bootstrap_setup() {
+        // Add support for post formats.
+        add_theme_support( 'post-formats', array(
+            'aside', 'audio', 'chat', 'gallery', 'image',
+            'link', 'quote', 'status', 'video',
+        ) );
+
+        // Make theme available for translation.
+        load_theme_textdomain( 'wp-bootstrap', get_template_directory() . '/languages' );
+
+        // Add editor styles.
+        add_editor_style( 'assets/css/editor-style.css' );
+    }
+endif;
+add_action( 'after_setup_theme', 'wp_bootstrap_setup' );
+
+/**
+ * Enqueue theme scripts and styles.
+ */
+if ( ! function_exists( 'wp_bootstrap_enqueue_scripts' ) ) :
+    function wp_bootstrap_enqueue_scripts() {
+        $theme_version = wp_get_theme()->get( 'Version' );
+        $suffix        = defined( 'SCRIPT_DEBUG' ) && SCRIPT_DEBUG ? '' : '.min';
+
+        // Enqueue the compiled Bootstrap + custom CSS.
+        wp_enqueue_style(
+            'wp-bootstrap-style',
+            get_template_directory_uri() . '/assets/css/style' . $suffix . '.css',
+            array(),
+            $theme_version
+        );
+
+        // Enqueue Bootstrap JS bundle (includes Popper).
+        wp_enqueue_script(
+            'wp-bootstrap-js',
+            get_template_directory_uri() . '/assets/js/bootstrap.bundle.min.js',
+            array(),
+            $theme_version,
+            true
+        );
+    }
+endif;
+add_action( 'wp_enqueue_scripts', 'wp_bootstrap_enqueue_scripts' );
+
+/**
+ * Register block pattern categories.
+ */
+if ( ! function_exists( 'wp_bootstrap_pattern_categories' ) ) :
+    function wp_bootstrap_pattern_categories() {
+        register_block_pattern_category(
+            'wp-bootstrap_page',
+            array(
+                'label'       => __( 'Pages', 'wp-bootstrap' ),
+                'description' => __( 'A collection of full page layouts.', 'wp-bootstrap' ),
+            )
+        );
+    }
+endif;
+add_action( 'init', 'wp_bootstrap_pattern_categories' );
+
+/**
+ * Initialize Twig template engine.
+ */
+if ( ! function_exists( 'wp_bootstrap_init_twig' ) ) :
+    function wp_bootstrap_init_twig() {
+        if ( class_exists( '\\WPBootstrap\\Twig\\TwigService' ) ) {
+            \WPBootstrap\Twig\TwigService::getInstance();
+        }
+    }
+endif;
+add_action( 'after_setup_theme', 'wp_bootstrap_init_twig' );