Introduced a new Mitgliedschaft section with detailed information on membership requirements, benefits, and fees. Reorganized Verein-related file structure for better clarity and added supporting styles in `input.css`. Extended blueprints to support the new section and updated snippets for dynamic content rendering.
Introduced a new Vorstand page with content files and structured data for team details. Added associated blueprint, PHP template, and updated image assets for better organization and presentation.
tfeigel