Add a comprehensive LegalDocument base class in mywebdav/legal.py with abstract methods for title and content generation, along with full markdown and HTML implementations for compliance statement, contact/complaint mechanism, and cookie policy pages, replacing placeholder content with detailed regulatory and procedural information.
Add placeholder legal documents for compliance statement, contact/complaint mechanism, data portability/deletion policy, data processing agreement, security policy, and full implementations for cookie policy, privacy policy, and terms of service. Include CodeMirror 6 editor bundle with basic extensions (line numbers, syntax highlighting, autocompletion, bracket matching, undo history, search, linting) and minified CSS for legacy editor styling.
