2.2.5

• Zukit updated to version 2.0.1
• update outdated npm packages
• add Prettier and its config
• replace ESLint config with v9
• add markdownlint and fix .md files
• add wp-scripts build and webpack configs for it
• migrate SASS files to avoid deprecation warnings
• refactor JS with lodash-es and prettier rules
• replace wordpress import from const to import
• fix PHP formatting and some errors found by intelephense
• update gitattributes ignore