Remove default values from KB block attributes and add ACF Pro stubs

- Remove default values from limit, showArticleCount, showExcerpt, hasClickableSection, and showEmptySections attributes in block.json
- Add php-stubs/acf-pro-stubs dependency to composer.json
- Remove CLAUDE.md and AGENTS.md from zip exclusions
- Remove vendor/.DS_Store and vendor/bin/* from zip exclusions
- Remove build:vendor script from composer.json
- Update block editor to use plugin settings as fallback defaults when attribute

Add custom walker for section hierarchy display and sync products fro…

…m section term meta

Merge pull request #70 from WebberZone/develop

Fix query parameter separator in API fetch URLs

Update knowledgebase.php

v3.0.0-beta2: Sync with pro version - update copyright to 2026, refre…

…sh i18n files, apply PHPCS formatting

Release v2.3.2 - Security patch

Release v2.3.1 - Security patch

Block updates

Tagged v2.3.0

Updated blocks