Updated the Content-Security-Policy header to include Google Fonts and Google Analytics domains:
- Added `https://www.gstatic.com` to `script-src`, `script-src-elem`, `img-src`, and `font-src` directives
- Removed duplicate `script-src` and `style-src` entries in the policy
- Ensured all relevant directives properly include the new domains
- Add source maps and web renderer build arguments with defaults
- Configure Caddy with CSP headers, cache policies, and service worker handling
- Defer loading of import screen for performance optimization
- Add semantic labels to icons for accessibility
- Update web index.html with Swedish language, meta tags, and description
- Add robots.txt and lighthouse configuration
- Add new planning documents and archive entries